{"title":"Calcium - Magnesium","description":"\u003cp\u003eAdditive fertilizers that contain calcium, magnesium or both. Products that contain both usually directed to be added to a nutrient solution after silica and before a base nutrient. They may referred to as \"CalMag\".\u003c\/p\u003e","products":[{"product_id":"biobizz-calmag","title":"Biobizz CalMag - Calcium \u0026 Magnesium Plant Fertilizer 1 Liter","description":"\u003cstrong\u003eBiobizz Calmag\u003c\/strong\u003e makes plants stronger and healthier. Calcium is important in the plant's development because it is responsible for the correct maintenance of plant cell structures. Magnesium is key in chlorophyll production, as it activates enzymes and increases sugar transport. Better nutrient uptake and transportation leads to vigorous growth and flowering. Professional formula, without any added Nitrogen.","brand":"Biobizz","offers":[{"title":"Default Title","offer_id":41867455594687,"sku":"BBCM1L","price":18.17,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2026\/3033\/files\/BBCM1L_1.jpg?v=1769806161"},{"product_id":"circes-serum-liquid-hog-bone-fertilizer","title":"Nectar for the Gods Circe's Serum - Liquid Hog Bone Fertilizer","description":"\u003cstrong\u003eNectar for the Gods Circe's Serum\u003c\/strong\u003e is a liquid hog bone fertilizer that works well with any Nectar for the Gods regimen. Great source of calcium and phosphorous like traditional bovine bone meal with an N-P-K ratio of 0-6-0. Use it in place of Triton's Trawl or Herculean Harvest. Or use all three!","brand":"Nectar for the Gods","offers":[{"title":"1 quart","offer_id":41938478760127,"sku":"CIRCES32","price":14.49,"currency_code":"USD","in_stock":false},{"title":"1 gallon","offer_id":41938478792895,"sku":"CIRCESGAL","price":42.49,"currency_code":"USD","in_stock":false},{"title":"5 gallon pail","offer_id":42203047133375,"sku":"","price":156.99,"currency_code":"USD","in_stock":false},{"title":"2.5 gal","offer_id":43617412972735,"sku":"","price":86.49,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2026\/3033\/products\/fullsizeoutput_19de.heic?v=1663183314"},{"product_id":"nectar-for-the-gods-olympus-up","title":"Nectar for the Gods Olympus Up","description":"\u003cp\u003e\u003cstrong\u003eOlympus Up\u003c\/strong\u003e is the Nectar for the Gods pH up product. Most gardeners know to adjust the pH of their nutrient solution before use. By using liquid calcium as a pH adjusting component, you will add more calcium to your plants' cell structure, promoting cell wall integrity. Residual Olympus Up in the soil will increase aeration, promote microbial activity by offering a food source for the soil biology, and contribute to nutrient delivery. Olympus Up is essential when using Herculean Harvest. We recommend using Olympus Up with Herculean Harvest to form an amazing calcium food source for soil microbes. They may also be used together for a more efficient flush, either at the end of your growing cycle, or in new potting medium to stabilize pH and prepare for planting.\u003cbr\u003e\u003c\/p\u003e","brand":"Nectar for the Gods","offers":[{"title":"1 quart","offer_id":42202583630015,"sku":"NGOU1001","price":12.37,"currency_code":"USD","in_stock":false},{"title":"1 gallon","offer_id":42202583662783,"sku":"NGOU1004","price":34.87,"currency_code":"USD","in_stock":false},{"title":"5 gallon","offer_id":42202583695551,"sku":"NGOU1050","price":117.74,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2026\/3033\/products\/olympusup.jpg?v=1675192368"},{"product_id":"athena-cal-mag-1-gal","title":"Athena Cal Mag 1 gal","description":"\u003cdiv class=\"bde-div-615-143 bde-div\"\u003e\n\u003ch3 class=\"bde-heading-615-144 bde-heading\"\u003eDESCRIPTION\u003c\/h3\u003e\n\u003cdiv class=\"bde-text-615-145 bde-text\"\u003e\n\u003cp\u003eAthena CaMg is designed to supplement either of our 2-part liquid formulas. Some cultivars and growing conditions may require higher doses of calcium, magnesium, iron and nitrogen during heavy growth and development phases. This product effectively helps correct common Ca\/Mg\/Fe deficiencies, without throwing off overall elemental balance. In systems using reverse osmosis (RO) water and plants grown in inert media, such as coco and rockwool, Athena CaMg is particularly useful. Although our 2-part formulas already provide sufficient levels of calcium and magnesium, some growers find supplementation helpful in demanding conditions.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eApplication Rates\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003eAdd 2-10 mL of Athena CaMg per gallon of water during all stages as needed.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eSee Feed Schedules for specific application recommendations.\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eBest Practices\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eShake well before use.\u003c\/li\u003e\n\u003cli\u003eUse clean measuring instruments – do not put anything into the bottle.\u003c\/li\u003e\n\u003cli\u003eSome applications may require different dosages.\u003c\/li\u003e\n\u003cli\u003eRecommended for hydroponic use, especially with inert media and when using reverse osmosis (RO) water.\u003c\/li\u003e\n\u003cli\u003eMonitor EC regularly and adjust accordingly based on crop and growth stage.\u003c\/li\u003e\n\u003cli\u003eAdjust pH to proper levels after mixing all fertilizers and additives.\u003c\/li\u003e\n\u003cli\u003eStore closed in original packaging at a temperature between 45°F and 85°F.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bde-div-615-146 bde-div\"\u003e\n\u003ch3 class=\"bde-heading-615-147 bde-heading\"\u003eBEST PRACTICES\u003c\/h3\u003e\n\u003cdiv class=\"bde-text-615-148 bde-text\"\u003e\n\u003cul\u003e\n\u003cli\u003eShake well before use.\u003c\/li\u003e\n\u003cli\u003eUse clean measuring instruments—do not put anything into the bottle.\u003c\/li\u003e\n\u003cli\u003eSome applications may require different dosages.\u003c\/li\u003e\n\u003cli\u003eRecommended for hydroponic use, especially with inert media and when using reverse osmosis (RO) water.\u003c\/li\u003e\n\u003cli\u003eMonitor EC regularly and adjust accordingly based on crop and growth stage.\u003c\/li\u003e\n\u003cli\u003eAdjust to pH to proper levels after mixing all fertilizers and additives.\u003c\/li\u003e\n\u003cli\u003eStore closed in original packaging at a temperature between 45° F and 85° F.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Athena Ag","offers":[{"title":"Default Title","offer_id":44481736343743,"sku":"LQ-CM-1G","price":34.62,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2026\/3033\/files\/Camg_1G_Front_RGB.jpg?v=1761599880"},{"product_id":"biobizz-calmag-20-l","title":"Biobizz CalMag 20 L","description":"\u003cp\u003eProfessional Formula: Plant-Based and Certified\u003cbr\u003e \u003cbr\u003eWhat is Biobizz Calmag?\u003cbr\u003eBiobizz Calmag is designed for both professional growers and hobbyists who need an extra boost of calcium and magnesium in their grow. These essential nutrients play a key role in cell production and photosynthesis, ensuring vigorous plant growth and blooming.\u003c\/p\u003e\n\u003cp\u003eWhy Choose Biobizz Calmag?\u003cbr\u003eCalcium and magnesium deficiencies are common, as modern tap water often lacks the right mineral balance.\u003cbr\u003eWhether using soft tap water or reverse osmosis (RO) systems, Biobizz Calmag provides a solution for Ca\/Mg deficiencies without adding harsh salts and synthetic chemicals.\u003cbr\u003eMade from natural ingredients, this formula integrates seamlessly into your existing feeding regime without disruption.\u003cbr\u003eCorrect water imbalances and nutrient deficiencies easily and naturally with Biobizz Calmag.\u003c\/p\u003e\n\u003cp\u003eHow to Use It?\u003cbr\u003eAdd the recommended dose of Calmag to supplement calcium and magnesium, then mix with your prepared water and Biobizz fertilizers. \u003c\/p\u003e","brand":"Biobizz","offers":[{"title":"Default Title","offer_id":44481748336831,"sku":"BBCM20L","price":247.67,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2026\/3033\/files\/BBCM20L_1.jpg?v=1769726928"},{"product_id":"cal-mag-plus-25-gal","title":"Cal-Mag Plus 2.5 gal","description":"\u003cp\u003eBOTANICARE CAL-MAG PLUS 2-0-0 2.5GAL - Cal-Mag Plus is a highly fortified calcium, magnesium and iron plant supplement formulated to correct common deficiencies. Supplementing your preferred nutrient program with Cal-Mag Plus is strongly recommended when using reverse osmosis water and when growing in coco coir-based medias to compensate for natural calcium draw. Cal-Mag Plus can also be applied as a foliar spray to further enhance growth.\u003c\/p\u003e","brand":"Botanicare","offers":[{"title":"Default Title","offer_id":44481751941311,"sku":"HGC00021","price":119.93,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2026\/3033\/files\/HGC00021.jpg?v=1755713018"},{"product_id":"cal-mag-plus-1-gal","title":"Cal-Mag Plus 1 gal","description":"\u003cp\u003eBOTANICARE CAL-MAG PLUS 2-0-0 1GAL - Cal-Mag Plus is a highly fortified calcium, magnesium and iron plant supplement formulated to correct common deficiencies. Supplementing your preferred nutrient program with Cal-Mag Plus is strongly recommended when using reverse osmosis water and when growing in coco coir-based medias to compensate for natural calcium draw. Cal-Mag Plus can also be applied as a foliar spray to further enhance growth.\u003c\/p\u003e","brand":"Botanicare","offers":[{"title":"Default Title","offer_id":44481751974079,"sku":"HGC00022","price":55.01,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2026\/3033\/files\/HGC00022.jpg?v=1755713019"},{"product_id":"cal-mag-plus-1-qt","title":"Cal-Mag Plus 1 qt","description":"\u003cp\u003eBOTANICARE CAL-MAG PLUS 2-0-0 32OZ - Cal-Mag Plus is a highly fortified calcium, magnesium and iron plant supplement formulated to correct common deficiencies. Supplementing your preferred nutrient program with Cal-Mag Plus is strongly recommended when using reverse osmosis water and when growing in coco coir-based medias to compensate for natural calcium draw. Cal-Mag Plus can also be applied as a foliar spray to further enhance growth.\u003c\/p\u003e","brand":"Botanicare","offers":[{"title":"Default Title","offer_id":44481752006847,"sku":"HGC00023","price":22.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2026\/3033\/files\/HGC00023.jpg?v=1755713020"},{"product_id":"plant-amp-gallon","title":"Plant Amp Gallon","description":"\u003cp\u003ePLANT AMP is a chelated calcium product that also contains a proprietary organic plant stimulating ingredient. Calcium is the basis of cell wall development in plants, and the chelated calcium in PLANT AMP is extremely soluble, providing an easily utilized source of calcium. PLANT AMP is 100% organic and can be used throughout the entire growth cycle to optimize a plant's growth. PLANT AMP is also a fantastic foliar spray, due to its low molecular weight for uptake, but also because it is very \"clean,\" leaving no heavy buildup or residue on the plant. PLANT AMP can also be used in conjunction with CES' two other additives to create custom foliar applications.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Cutting Edge Solutions","offers":[{"title":"Default Title","offer_id":44481786806463,"sku":"CES2503","price":103.98,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2026\/3033\/files\/CES2503_1.jpg?v=1755713349"},{"product_id":"mag-amped-quart","title":"Mag Amped Quart","description":"\u003cp\u003eMag-Amped is a pure magnesium product combined with an organic  surfactant that helps with uptake and overall solubility. Magnesium is  essential for chlorophyll production in plants, and in turn chlorophyll is  the component in photosynthesis, essentially starting the process  through collection of light energy. Mag-Amped is a low molecular weight  chelate of magnesium and as such is very easily absorbed by plants.  Mag-Amped is fantastic as a foliar spray, having the same low molecular  weight and \"clean\" properties as CES's other additives. Mag-Amped can  also be used in conjunction with CES's two other additives for custom  foliar applications.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Cutting Edge Solutions","offers":[{"title":"Default Title","offer_id":44481787166911,"sku":"CES2801","price":34.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2026\/3033\/files\/CES2801_1.jpg?v=1755713357"},{"product_id":"cutting-edge-solutions-mag-amped-gallon","title":"Cutting Edge Solutions Mag Amped Gallon","description":"\u003cp\u003eMag-Amped is a pure magnesium product combined with an organic surfactant that helps with uptake and overall solubility. Magnesium is essential for chlorophyll production in plants, and in turn chlorophyll is the component in photosynthesis, essentially starting the process through collection of light energy. Mag-Amped is a low molecular weight chelate of magnesium and as such is very easily absorbed by plants.  Mag-Amped is fantastic as a foliar spray, having the same low molecular weight and \"clean\" properties as CES's other additives. Mag-Amped can also be used in conjunction with CES's two other additives for custom foliar applications.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Cutting Edge Solutions","offers":[{"title":"Default Title","offer_id":44481787199679,"sku":"CES2802","price":104.98,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2026\/3033\/files\/CES2802_1.jpg?v=1755713358"},{"product_id":"cutting-edge-solutions-amplified-cal-mag-quart","title":"Cutting Edge Solutions Amplified Cal-Mag Quart","description":"\u003cstrong\u003eCal-Mag Amplified\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\n\u003cp\u003eCal-Mag Amplified is an ideal choice for supplementing your native soil with pure, rapidly absorbable forms of calcium and magnesium. \u003cbr\u003e\u003cbr\u003eCoco coir growers will greatly benefit from the use of Cal-Mag Amplified by providing additional calcium to buffer the coco and maximize cation exchange capacity. Higher levels of magnesium are necessary for some plant varieties and heirlooms that originate from equatorial regions. The additional source of magnesium in Cal-Mag Amplified will drive chlorophyll production and maximize photosynthesis. Plants fortified with calcium and magnesium exhibit lush green leaves and reward the farmer with heavy fruits.\u003cbr\u003e\u003cbr\u003eFoliar application is also highly recommended as a way to provide the plants with direct sources of calcium to fortify cell walls through the apolplast pathway, freeing mobile calcium to be used for fruit set. Spray when the sun is first rising or setting for the night to ensure stomata are fully dilated.\u003c\/p\u003e\n\u003cp\u003e\u003c\/p\u003e","brand":"Cutting Edge Solutions","offers":[{"title":"Default Title","offer_id":44481787986111,"sku":"CES3501","price":22.76,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2026\/3033\/files\/CES3501_1.jpg?v=1755713373"},{"product_id":"cutting-edge-solutions-amplified-cal-mag-gal","title":"Cutting Edge Solutions Amplified Cal-Mag gal","description":"\u003cstrong\u003eCal-Mag Amplified\u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e\n\u003cp\u003eCal-Mag Amplified is an ideal choice for supplementing your native soil with pure, rapidly absorbable forms of calcium and magnesium. \u003cbr\u003e\u003cbr\u003eCoco coir growers will greatly benefit from the use of Cal-Mag Amplified by providing additional calcium to buffer the coco and maximize cation exchange capacity. Higher levels of magnesium are necessary for some plant varieties and heirlooms that originate from equatorial regions. The additional source of magnesium in Cal-Mag Amplified will drive chlorophyll production and maximize photosynthesis. Plants fortified with calcium and magnesium exhibit lush green leaves and reward the farmer with heavy fruits.\u003cbr\u003e\u003cbr\u003eFoliar application is also highly recommended as a way to provide the plants with direct sources of calcium to fortify cell walls through the apolplast pathway, freeing mobile calcium to be used for fruit set. Spray when the sun is first rising or setting for the night to ensure stomata are fully dilated.\u003c\/p\u003e","brand":"Cutting Edge Solutions","offers":[{"title":"Default Title","offer_id":44481788018879,"sku":"CES3503","price":59.39,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2026\/3033\/files\/CES3503_1.jpg?v=1755713374"},{"product_id":"cutting-edge-solutions-amplified-cal-mag-25-gal","title":"Cutting Edge Solutions Amplified Cal-Mag 2.5 gal","description":"\u003cp\u003e\u003cstrong\u003eCal-Mag Amplified\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eCal-Mag Amplified is an ideal choice for supplementing your native soil with pure, rapidly absorbable forms of calcium and magnesium. \u003cbr\u003e\u003cbr\u003eCoco coir growers will greatly benefit from the use of Cal-Mag Amplified by providing additional calcium to buffer the coco and maximize cation exchange capacity. Higher levels of magnesium are necessary for some plant varieties and heirlooms that originate from equatorial regions. The additional source of magnesium in Cal-Mag Amplified will drive chlorophyll production and maximize photosynthesis. Plants fortified with calcium and magnesium exhibit lush green leaves and reward the farmer with heavy fruits.\u003cbr\u003e\u003cbr\u003eFoliar application is also highly recommended as a way to provide the plants with direct sources of calcium to fortify cell walls through the apolplast pathway, freeing mobile calcium to be used for fruit set. Spray when the sun is first rising or setting for the night to ensure stomata are fully dilated.\u003c\/p\u003e","brand":"Cutting Edge Solutions","offers":[{"title":"Default Title","offer_id":44481788051647,"sku":"CES3505","price":102.78,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2026\/3033\/files\/Cutting_Edge_Solutions_Cal_Mag_2.5_gal.png?v=1770143644"},{"product_id":"down-to-earth-solution-grade-gypsum-1-lb","title":"Down to Earth Solution Grade Gypsum 1 lb","description":"\u003cp\u003eDOWN TO EARTH GYPSUM 1LB - OMRI LISTED - Gypsum is composed of calcium (Ca) and sulfur (S) – two of the essential nutrients that plants require to achieve optimum growth and reach their maximum potential. Gypsum offers many advantages for soil management practices in addition to being a valuable resource for plant fertility programs. A high performance solution grade powder that growers can apply with confidence. Designed for efficient delivery and immediate uptake, this 325 mesh powder can be used in reservoirs, fertigation, drip irrigation or spray applications. OMRI Listed .\u003c\/p\u003e","brand":"Down to Earth","offers":[{"title":"Default Title","offer_id":44481793228991,"sku":"DTE19021","price":6.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2026\/3033\/files\/DTE19021.jpg?v=1772739638"},{"product_id":"foxfarm-bush-doctor-cal-mag-1-pt","title":"FoxFarm Bush Doctor Cal-Mag 1 pt","description":"\u003cp\u003eFOXFARM BUSH DOCTOR 1-0-0 CAL-MAG SUPPLEMENT 16OZ - 3% CALCIUM - 0.9% MAGNESIUM - OMRI LISTED - Nobody likes blossom end rot or tip burn. That's why FoxFarm brings you Bush Doctor Cal-Mag. Calcium and magnesium help strengthen cell walls and aid in fruit development, helping you avoid the costly and frustrating deficiencies that cause these problems. OMRI Listed and CDFA Registered for Organic Gardening.\u003c\/p\u003e","brand":"Foxfarm","offers":[{"title":"Default Title","offer_id":44481800306879,"sku":"FXF520075","price":16.44,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2026\/3033\/files\/FXF520075.jpg?v=1755713583"},{"product_id":"foxfarm-bushdoctor-calmag-1-qt","title":"Foxfarm Bushdoctor CalMag 1 qt","description":"\u003cp\u003eFOXFARM BUSH DOCTOR 1-0-0 CAL-MAG SUPPLEMENT 32OZ - 3% CALCIUM - 0.9% MAGNESIUM - OMRI LISTED - Nobody likes blossom end rot or tip burn. That's why FoxFarm brings you Bush Doctor Cal-Mag. Calcium and magnesium help strengthen cell walls and aid in fruit development, helping you avoid the costly and frustrating deficiencies that cause these problems. OMRI Listed and CDFA Registered for Organic Gardening.\u003c\/p\u003e","brand":"Foxfarm","offers":[{"title":"Default Title","offer_id":44481800339647,"sku":"FXF520082","price":26.48,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2026\/3033\/files\/FXF520082.jpg?v=1755713584"},{"product_id":"bushdoctor-cal-mag-gallon","title":"BushDoctor Cal-Mag Gallon","description":"\u003cp\u003eFOXFARM BUSH DOCTOR 1-0-0 CAL-MAG SUPPLEMENT 1GAL - 3% CALCIUM - 0.9% MAGNESIUM - OMRI LISTED - Nobody likes blossom end rot or tip burn. That's why FoxFarm brings you Bush Doctor Cal-Mag. Calcium and magnesium help strengthen cell walls and aid in fruit development, helping you avoid the costly and frustrating deficiencies that cause these problems. OMRI Listed and CDFA Registered for Organic Gardening.\u003c\/p\u003e","brand":"Foxfarm","offers":[{"title":"Default Title","offer_id":44481800405183,"sku":"FXF520099","price":91.44,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2026\/3033\/files\/FXF520099.jpg?v=1755713585"},{"product_id":"calimagic-qt","title":"CaliMagic Qt","description":"\u003cp\u003eGENERAL HYDROPONICS CALIMAGIC 1-0-0 32OZ - CALiMAGic is a concentrated blend of readily available calcium and magnesium. It is formulated to assist fast growing plants by preventing secondary nutrient deficiencies. CALiMAGic helps optimize plant nutrition and enhances plant growth and development while preventing blossom end rot and tip burn in many crops, such as tomatoes and lettuce as well as other calcium intensive plants.\u003c\/p\u003e","brand":"General Hydroponics","offers":[{"title":"Default Title","offer_id":44481834975423,"sku":"HGC733525","price":23.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2026\/3033\/files\/HGC733525.jpg?v=1755714013"},{"product_id":"calimagic-gal","title":"CaliMagic Gal","description":"\u003cp\u003eGENERAL HYDROPONICS CALIMAGIC 1-0-0 1GAL - CALiMAGic is a concentrated blend of readily available calcium and magnesium. It is formulated to assist fast growing plants by preventing secondary nutrient deficiencies. CALiMAGic helps optimize plant nutrition and enhances plant growth and development while preventing blossom end rot and tip burn in many crops, such as tomatoes and lettuce as well as other calcium intensive plants.\u003c\/p\u003e","brand":"General Hydroponics","offers":[{"title":"Default Title","offer_id":44481835008191,"sku":"HGC733530","price":59.93,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2026\/3033\/files\/HGC733530.jpg?v=1755714013"},{"product_id":"heavy16-foliar-32oz-1l","title":"Heavy16 Foliar 32oz (1L)","description":"\u003cp\u003e\u003cstrong\u003eHEAVY 16 Foliar\u003c\/strong\u003e\u003c\/p\u003e\u003cspan style=\"font-size: 12pt; font-family: Times New Roman\"\u003e\n\u003cp\u003e• Improves overall plant nutrition \u003cbr\u003e• Corrects calcium\/magnesium-based plant disorders\u003cbr\u003e• Improves tolerance of abiotic stress\u003c\/p\u003e\n\u003cp style=\"box-sizing: border-box; white-space: normal; word-spacing: 0px; text-transform: none; font-weight: 300; color: rgb(51,51,51); outline-width: 0px !important; font-style: normal; outline-style: none !important; orphans: 2; widows: 2; margin: 0px 0px 10px; letter-spacing: normal; outline-color: invert !important; line-height: 1.6; background-color: rgb(255,255,255); text-indent: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial\"\u003eIn our quest to provide the highest-grade products with superior efficacy to our growers, Heavy 16’s Heavy Foliar Professional Plant Additive is hands down the illustration of that mission, with full spectrum plant nutrition being the core of that statement. This revolutionary blend is “so far beyond” in its effects on plant metabolic growth and tissue integrity that many of our growers have eliminated a long list of reoccurring issues.\u003c\/p\u003e\n\u003cp style=\"box-sizing: border-box; white-space: normal; word-spacing: 0px; text-transform: none; font-weight: 300; color: rgb(51,51,51); font-style: normal; orphans: 2; widows: 2; margin: 0px 0px 10px; letter-spacing: normal; line-height: 1.6; background-color: rgb(255,255,255); text-indent: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial\"\u003eWhen sprayed on the foliage of your crop, Heavy Foliar’s net neutral chemistry is easily absorbed into the negatively charged foliage helping to immediately strengthen the canopy on its eventual journey to the roots. As the carbon-based concentration and mineral nutrition moves throughout the plants vascular system, the result is more elastic tissue, more adaptive membranes, as well as heightened yields at harvest. The amount of quality Calcium in Heavy Foliar is key to this elasticity and structure as it provides a perfect bridge between phospholipids, glycolipids, and proteins in the cell membrane.\u003c\/p\u003e\n\u003cp style=\"box-sizing: border-box; white-space: normal; word-spacing: 0px; text-transform: none; font-weight: 300; color: rgb(51,51,51); font-style: normal; orphans: 2; widows: 2; margin: 0px 0px 10px; letter-spacing: normal; line-height: 1.6; background-color: rgb(255,255,255); text-indent: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial\"\u003eSupports vigorous growth and photosynthesis. The result of this influx of carbon-based molecules ultimately aids the plants’ ability to make and store its own necessary carbon and energy, i.e. the variables of a high quality yield.\u003c\/p\u003e\n\u003cp style=\"box-sizing: border-box; white-space: normal; word-spacing: 0px; text-transform: none; font-weight: 300; color: rgb(51,51,51); font-style: normal; orphans: 2; widows: 2; margin: 0px 0px 10px; letter-spacing: normal; line-height: 1.6; background-color: rgb(255,255,255); text-indent: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial\"\u003eWe recommend using Heavy Foliar before perceived stressful events, i.e., spraying mother plants before taking cuttings, before transplanting, before transition periods, and before nights of freezing temperatures or extreme daytime heat.\u003c\/p\u003e\n\u003cp style=\"box-sizing: border-box; white-space: normal; word-spacing: 0px; text-transform: none; font-weight: 300; color: rgb(51,51,51); font-style: normal; orphans: 2; widows: 2; margin: 0px 0px 10px; letter-spacing: normal; line-height: 1.6; background-color: rgb(255,255,255); text-indent: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial\"\u003eHeavy Foliar Synergistically s provides a single spray pass made by the grower, as the neutral based chemistry can be combined with any foliar applied compost\/biological teas, pest control products, organic oils, any surfactant product, sulfur\/fungicide, etc.\u003c\/p\u003e\u003c\/span\u003e","brand":"Heavy16","offers":[{"title":"Default Title","offer_id":44481840513215,"sku":"H161033FS1","price":51.97,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2026\/3033\/files\/H161033FS1_1.jpg?v=1755714160"},{"product_id":"down-to-earth-solution-grade-gypsum-5-lb","title":"Down to Earth Solution Grade Gypsum 5 lb","description":"\u003cp\u003eDOWN TO EARTH GYPSUM 5LB - OMRI LISTED - Gypsum is composed of calcium (Ca) and sulfur (S) – two of the essential nutrients that plants require to achieve optimum growth and reach their maximum potential. Gypsum offers many advantages for soil management practices in addition to being a valuable resource for plant fertility programs. A high performance solution grade powder that growers can apply with confidence. Designed for efficient delivery and immediate uptake, this 325 mesh powder can be used in reservoirs, fertigation, drip irrigation or spray applications. OMRI Listed .\u003c\/p\u003e","brand":"Down to Earth","offers":[{"title":"Default Title","offer_id":44481860567231,"sku":"DTE15921","price":14.66,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2026\/3033\/files\/82390104.jpg?v=1772739738"},{"product_id":"raw-calciummag-2-oz-12cs","title":"RAW Calcium\/Mag 2 oz","description":"\u003cp\u003eNPK RAW Calcium\/Mag 2oz\u003c\/p\u003e\n\u003cp\u003eRAW Calcium\/Mag contains 15% calcium and 3% magnesium. RAW Calcium\/Mag has optimized the ratio of each element in a Water soluble formulation of calcium nitrate and magnesium sulfate so that it doesn’t leave the media salty. This product is a stand alone Calcium \/ Mag supplement. Due to its low dilution rates a little RAW Calcium \/ Mag goes a long ways. Its also ideal for preventing deficiencies, treating deficiencies and for creating optimal recipe solutions. Works in conjunction with all nutrient and feeding programs.\u003c\/p\u003e","brand":"NPK Industries","offers":[{"title":"Default Title","offer_id":44481870168255,"sku":"NPK280","price":12.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2026\/3033\/files\/NPK280_l.jpg?v=1772148539"},{"product_id":"raw-calciummag-8-oz-6cs","title":"RAW Calcium\/Mag 8 oz","description":"\u003cp\u003eNPK RAW Calcium\/Mag 8oz\u003c\/p\u003e\n\u003cp\u003eRAW Calcium\/Mag contains 15% calcium and 3% magnesium. RAW Calcium\/Mag has optimized the ratio of each element in a Water soluble formulation of calcium nitrate and magnesium sulfate so that it doesn’t leave the media salty. This product is a stand alone Calcium \/ Mag supplement. Due to its low dilution rates a little RAW Calcium \/ Mag goes a long ways. Its also ideal for preventing deficiencies, treating deficiencies and for creating optimal recipe solutions. Works in conjunction with all nutrient and feeding programs.\u003c\/p\u003e","brand":"NPK Industries","offers":[{"title":"Default Title","offer_id":44481870201023,"sku":"NPK281","price":34.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2026\/3033\/files\/NPK280_l.jpg?v=1772148539"},{"product_id":"raw-calciummag-2-lb-3cs","title":"RAW Calcium\/Mag 2 lb","description":"\u003cp\u003eNPK RAW Calcium\/Mag 2lb\u003c\/p\u003e\n\u003cp\u003eRAW Calcium\/Mag contains 15% calcium and 3% magnesium. RAW Calcium\/Mag has optimized the ratio of each element in a Water soluble formulation of calcium nitrate and magnesium sulfate so that it doesn’t leave the media salty. This product is a stand alone Calcium \/ Mag supplement. Due to its low dilution rates a little RAW Calcium \/ Mag goes a long ways. Its also ideal for preventing deficiencies, treating deficiencies and for creating optimal recipe solutions. Works in conjunction with all nutrient and feeding programs.\u003c\/p\u003e","brand":"NPK Industries","offers":[{"title":"Default Title","offer_id":44481870233791,"sku":"NPK282","price":88.85,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2026\/3033\/files\/NPK280_l.jpg?v=1772148539"},{"product_id":"roots-organics-calmag-1-gal","title":"Roots Organics CalMag 1 gal","description":"\u003cp\u003e\u003cstrong\u003eRoots Organics CalMag\u003c\/strong\u003e is a pure and all natural blend of calcium, magnesium and sulfur to support plants during fast growth. By creating a product free of added nitrogen, phosphate, and potassium, Roots Organics give you control to supplement as needed without affecting primary fertility input ratios. Use in combination with high quality base fertilizers like Roots Organics Buddha Grow and Buddha Bloom.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFree of added nitrogen, phosphate, and potassium \n\u003c\/li\u003e\n\u003cli\u003eIdeal for fast-growing and heavy feeding plants \n\u003c\/li\u003e\n\u003cli\u003eDerived from Kieserite, Gypsum\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Roots Organics","offers":[{"title":"Default Title","offer_id":44481912766655,"sku":"ROCMG","price":95.43,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2026\/3033\/files\/ROCMG_1.jpg?v=1755715782"},{"product_id":"roots-organics-elemental-3-lbs","title":"Roots Organics Elemental 3 lbs","description":"\u003cp\u003eRoots Organics Elemental macronutrient and micronutrient supplement was specifically created to augment calcium and magnesium levels and prevent deficiencies that can occur with fast-growing plants. Elemental contains two absolutely essential macronutrients: calcium, an essential nutrient for plant health due to its role in cell walls, membranes and other biochemical processes; and magnesium, which is a central component of the chlorophyll molecule. Supplementing calcium and magnesium is one of the secrets of expert growers and results in more vigorous plants and larger yields.\u003c\/p\u003e","brand":"Roots Organics","offers":[{"title":"Default Title","offer_id":44481912832191,"sku":"ROEL3","price":28.32,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2026\/3033\/files\/ROEL3_1.jpg?v=1755715784"},{"product_id":"biobizz-calmag-calcium-magnesium-plant-fertilizer-5-l","title":"Biobizz CalMag - Calcium \u0026 Magnesium Plant Fertilizer 5 L","description":"\u003cstrong\u003eBiobizz Calmag\u003c\/strong\u003e makes plants stronger and healthier. Calcium is important in the plant's development because it is responsible for the correct maintenance of plant cell structures. Magnesium is key in chlorophyll production, as it activates enzymes and increases sugar transport. Better nutrient uptake and transportation leads to vigorous growth and flowering. Professional formula, without any added Nitrogen.","brand":"Biobizz","offers":[{"title":"Default Title","offer_id":45111819141311,"sku":"BBCM5L","price":73.05,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2026\/3033\/files\/BBCM5L_1.jpg?v=1769805824"},{"product_id":"mills-organics-cal-1-liter","title":"Mills Organics Cal 1 Liter","description":"\u003cp\u003e Mills Organics CAL - Natural Calcium, Stronger Plants\u003c\/p\u003e\n\u003cp\u003eMills Organics CAL plays a crucial role in maintaining plant health at a cellular level. Cal activates the enyzmes needed to trigger growth activities within your plant.\u003c\/p\u003e\n\u003cp\u003eFeatures\u003c\/p\u003e\n\u003cp\u003e    Activates the Enzymes - CAL activates the enzymes needed for your plants to grow and is critical in strengthening cell wall structure.\u003cbr\u003e    Larger and Fuller Flowers - By using CAL, you get larger and fuller flowers from your plants.\u003cbr\u003e    Makes your Plants Grow Faster - Due to the stimulating effect on the metabolism, your plants grow faster.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003eHow it works.\u003c\/p\u003e\n\u003cp\u003eThe dose varies from 0.5 ml to 1.5 ml per liter of water depending on the growth and bloom stage. Check out the growth chart in the attachments for the exact dosages throughout your grow. \u003c\/p\u003e","brand":"Mills Nutrients","offers":[{"title":"Default Title","offer_id":45117821223103,"sku":"MILORGCA1L","price":39.47,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2026\/3033\/files\/MILORGCA1L_1.jpg?v=1770074631"},{"product_id":"down-to-earth-solution-grade-calcium-5-lb","title":"Down to Earth Solution Grade Calcium 96 5 lb","description":"\u003cp\u003eUltra fine and highly reactive, Calcium 96 is a natural limestone powder that provides immediate availability of this valuable nutrient for plants and microflora. With a high neutralizing value, this solution grade powder can be applied at rates lower than typical Ag lime for fast soil pH changes. High quality calcium provides a myriad of benefits to plants, soils and soil biology. Designed for efficient delivery and immediate uptake, this 325 mesh powder can be used in drip irrigation or spray applications.\u003c\/p\u003e","brand":"Down to Earth","offers":[{"title":"Default Title","offer_id":45136254107839,"sku":null,"price":14.49,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2026\/3033\/files\/82390107.jpg?v=1770166419"}],"url":"https:\/\/mountainliongardensupply.com\/collections\/calcium-magnesium.oembed?page=2","provider":"Mountain Lion Garden Supply","version":"1.0","type":"link"}