Skip to content

Your cart is empty

Continue shopping

Have an account?

Log in to check out faster.

Your cart

Loading...

Estimated total

$0.00 USD

Taxes, discounts and shipping calculated at checkout.

Use Discount Code FREESHIP150 at checkout to unlock free shipping when your order subtotal equals $150 or more.

Shop Categories
- Climate
  
  Air Purification
  Climate Controllers
  CO2 Systems
  Ventilation
- Extracts
  
  Accessories
  Concentrate Filter Bags
- Garden Essentials
  
  Cleaning Products
  Clothing & Attire
  Garden Accessories
  Harvest Tools & Trimmers
  Pets
  Plant Care
  Seeds Cloning & Propagation
  Storage Solutions
  Tents, Tarps & Reflective Film
  Trellis
- Grow Lighting
  
  Accessories
  Components
  Lamps & Bulbs
  LEDs
  Reflectors
- Grow Media
  
  Amendments
  Coco
  Rock Wool
  Soil Media
  Worm Castings
- Hydroponics
  
  Aeroponics
  Components
  Meters & Solutions
  Pots & Containers
  Pumps & Irrigation
  Water Filtration
- Mycology
  
  Accessories
  Genetics
  Spawn Grains
  Substrates
- Nutrients & Supplements
  
  Additives & Supplements
  Base Nutrients
  Beneficial Microbes and Fungi
  Bloom and Flower Phase Additives
  Calcium - Magnesium
  Enzymes
  Foliar Sprays
  Hydroponic Friendly
  Humic Acid
  Line Cleaners
  Organics
  pH Adjusters
  Silica
  Vegetative Growth Boosters and Additives
  Water Soluble Dry Powders
- Organics
- Books
- Browse All Products
Shop Brands
Promotions & Sales
Commercial Growers
About Us
Blog
Contact & Hours
Events (Facebook)

Country/region

Search

Facebook
Instagram
YouTube

Search

Shop Categories
Shop Brands
Promotions & Sales
Commercial Growers
About Us
Blog
Contact & Hours
Events (Facebook)

Country/region

Search

Search

Collection: Nutrients and Additives

The word nutrient when it comes to plants is synonymous with fertilizer. Hydroponic or organic nutrients and supplements for plants are found in this category.

Filter:

Availability

0 selected

Availability

In stock (189 products)
Out of stock (240 products)

Price

The highest price is $448.69

$

From

$

To

Product type

0 selected

Product type

Age Old Nutrients (2 products)
Athena Nutrients (18 products)
Aurora/Soul Nutrients (1 product)
Big Foot Mycorrhyzae (10 products)
BioAg Nutrients (2 products)
Biobizz Nutrients (31 products)
Botanicare Nutrients (23 products)
CANNA Nutrients (20 products)
Cutting Edge Nutrients (28 products)
Down to Earth Fertilizers (3 products)
Fish Head Farms (4 products)
FoxFarm Nutrients (29 products)
Front Row Ag Nutrients (9 products)
Gaia Green Organics (11 products)
General Hydroponics (31 products)
General Organics (1 product)
Grean Bicycles (1 product)
GREASE Nutrients (24 products)
Green Air Nutrients (2 products)
GROTEK Nutrients (2 products)
Grow More Nutrients (2 products)
Heavy16 Nutrients (3 products)
House & Garden Nutrients (10 products)
Impello Biosciences (11 products)
Jack's Nutrients (3 products)
Microbe Life Nutrients (4 products)
Mills Nutrients (17 products)
Nectar for the Gods Nutrients (37 products)
Neptune's Harvest Nutrients (2 products)
New Millenium Nutrients (1 product)
NPK Industries (26 products)
Optic Foliar (12 products)
Plagron Nutrients (2 products)
Plant Success Nutrients (6 products)
Real Growers (1 product)
Roots Organics Nutrients (24 products)
Sea-90 (1 product)
SIPCO Nutrients (5 products)
South Cascade Organics (3 products)
Xtreme Gardening (6 products)

Brand

0 selected

Brand

Age Old Nutrients (2 products)
Athena Ag (18 products)
Aurora Innovations (1 product)
Big Foot Mycorrhizae (10 products)
BioAg (2 products)
Biobizz (31 products)
Botanicare (23 products)
CANNA Continental (20 products)
Cutting Edge Solutions (28 products)
DL Wholesale (1 product)
Down to Earth (3 products)
Ecological Laboratories (4 products)
Fish Head Farms (4 products)
Foxfarm (29 products)
Fractal Growth (24 products)
Gaia Green Organics (11 products)
General Hydroponics (31 products)
General Organics (1 product)
Grean Bicycles (1 product)
Green Air Products (2 products)
Grow More (2 products)
Heavy16 (3 products)
House & Garden (10 products)
Hydrofarm (2 products)
Impello Biosciences (11 products)
JR Peters (3 products)
Mills Nutrients (17 products)
Nectar for the Gods (37 products)
Neptune's Harvest (2 products)
New Millenium (1 product)
NPK Industries (26 products)
Optic Foliar (12 products)
Plagron (2 products)
Plant Success (6 products)
Real Growers (1 product)
Roots Organics (24 products)
Sea Agri (1 product)
SIPCO (4 products)
Solstice Ag (9 products)
South Cascade Organics (3 products)
Xtreme Gardening (6 products)

Sort by:

428 products

Filter and sort Filter

Filter and sort

Filter

428 products

Availability

In stock (189 products)
Out of stock (240 products)

Clear

Price

The highest price is $448.69

$

From

$

To

Clear

Product type

Age Old Nutrients (2 products)
Athena Nutrients (18 products)
Aurora/Soul Nutrients (1 products)
Big Foot Mycorrhyzae (10 products)
BioAg Nutrients (2 products)
Biobizz Nutrients (31 products)
Botanicare Nutrients (23 products)
CANNA Nutrients (20 products)
Cutting Edge Nutrients (28 products)
Down to Earth Fertilizers (3 products)
Fish Head Farms (4 products)
FoxFarm Nutrients (29 products)
Front Row Ag Nutrients (9 products)
Gaia Green Organics (11 products)
General Hydroponics (31 products)
General Organics (1 products)
Grean Bicycles (1 products)
GREASE Nutrients (24 products)
Green Air Nutrients (2 products)
GROTEK Nutrients (2 products)
Grow More Nutrients (2 products)
Heavy16 Nutrients (3 products)
House & Garden Nutrients (10 products)
Impello Biosciences (11 products)
Jack's Nutrients (3 products)
Microbe Life Nutrients (4 products)
Mills Nutrients (17 products)
Nectar for the Gods Nutrients (37 products)
Neptune's Harvest Nutrients (2 products)
New Millenium Nutrients (1 products)
NPK Industries (26 products)
Optic Foliar (12 products)
Plagron Nutrients (2 products)
Plant Success Nutrients (6 products)
Real Growers (1 products)
Roots Organics Nutrients (24 products)
Sea-90 (1 products)
SIPCO Nutrients (5 products)
South Cascade Organics (3 products)
Xtreme Gardening (6 products)

Clear

Brand

Age Old Nutrients (2 products)
Athena Ag (18 products)
Aurora Innovations (1 products)
Big Foot Mycorrhizae (10 products)
BioAg (2 products)
Biobizz (31 products)
Botanicare (23 products)
CANNA Continental (20 products)
Cutting Edge Solutions (28 products)
DL Wholesale (1 products)
Down to Earth (3 products)
Ecological Laboratories (4 products)
Fish Head Farms (4 products)
Foxfarm (29 products)
Fractal Growth (24 products)
Gaia Green Organics (11 products)
General Hydroponics (31 products)
General Organics (1 products)
Grean Bicycles (1 products)
Green Air Products (2 products)
Grow More (2 products)
Heavy16 (3 products)
House & Garden (10 products)
Hydrofarm (2 products)
Impello Biosciences (11 products)
JR Peters (3 products)
Mills Nutrients (17 products)
Nectar for the Gods (37 products)
Neptune's Harvest (2 products)
New Millenium (1 products)
NPK Industries (26 products)
Optic Foliar (12 products)
Plagron (2 products)
Plant Success (6 products)
Real Growers (1 products)
Roots Organics (24 products)
Sea Agri (1 products)
SIPCO (4 products)
Solstice Ag (9 products)
South Cascade Organics (3 products)
Xtreme Gardening (6 products)

Clear

Sort by:

Remove all

428 products

RAW B-Vitamin 2 oz

Sale

RAW B-Vitamin 2 oz

Vendor:
NPK Industries

Regular price $16.68

Regular price ~~$16.85~~ Sale price $16.68

Sale
Pegasus Potion 1 qt

Sale

Pegasus Potion 1 qt

Vendor:
Nectar for the Gods

Regular price $12.24

Regular price ~~$17.49~~ Sale price $12.24

Sale
Aphrodite's Extraction 1 qt

Sale

Aphrodite's Extraction 1 qt

Vendor:
Nectar for the Gods

Regular price $18.19

Regular price ~~$25.99~~ Sale price $18.19

Sale
Flora Blend-Vegan Compost Tea 0.5-1-1. 1 gal

Sale

Flora Blend-Vegan Compost Tea 0.5-1-1. 1 gal

Vendor:
General Hydroponics

Regular price $36.38

Regular price ~~$43.24~~ Sale price $36.38

Sale
General Hydroponics TrueFlo 1 qt

Sold out

General Hydroponics TrueFlo 1 qt

Vendor:
General Hydroponics

Regular price $17.99

Regular price ~~$20.00~~ Sale price $17.99

Sold out
Grow Big Liquid Concentrate 1 qt

Sold out

Grow Big Liquid Concentrate 1 qt

Vendor:
Foxfarm

Regular price $31.98

Regular price ~~$30.99~~ Sale price $31.98

Sold out
Happy Frog Jump Start Fertilizer OMRI 4lbs

Sold out

Happy Frog Jump Start Fertilizer OMRI 4lbs

Vendor:
Foxfarm

Regular price $15.60

Regular price ~~$14.19~~ Sale price $15.60

Sold out
Cutting Edge Solutions Amplified Cal-Mag gal

Sold out

Cutting Edge Solutions Amplified Cal-Mag gal

Vendor:
Cutting Edge Solutions

Regular price $59.39

Regular price ~~$61.99~~ Sale price $59.39

Sold out
Louder Powder Grow B 25 lb

Sold out

Louder Powder Grow B 25 lb

Vendor:
Cutting Edge Solutions

Regular price $149.26

Regular price ~~$199.99~~ Sale price $149.26

Sold out
Big Foot Concentrate 8 oz

Sold out

Big Foot Concentrate 8 oz

Vendor:
Big Foot Mycorrhizae

Regular price $23.29

Regular price ~~$27.80~~ Sale price $23.29

Sold out
Athena Pro Bloom 0-12-24 10 lb Box

Sale

Athena Pro Bloom 0-12-24 10 lb Box

Vendor:
Athena Ag

Regular price $90.00

Regular price ~~$110.00~~ Sale price $90.00

Sale
Gaia Green Power Bloom 2-8-4 500 g Pouch

Sold out

Gaia Green Power Bloom 2-8-4 500 g Pouch

Vendor:
Gaia Green Organics

Regular price $10.98

Regular price ~~$10.98~~ Sale price $10.98

Sold out
Gaia Green Power Bloom 2-8-4 2 kg Pouch

Sold out

Gaia Green Power Bloom 2-8-4 2 kg Pouch

Vendor:
Gaia Green Organics

Regular price $28.59

Regular price ~~$28.59~~ Sale price $28.59

Sold out
Gaia Green Basalt Rock Dust 2 kg Pouch

Gaia Green Basalt Rock Dust 2 kg Pouch

Vendor:
Gaia Green Organics

Regular price $13.99

Regular price ~~$13.99~~ Sale price $13.99
Hygrozyme Horticultural Enzymatic Formula 4 Liter

Sold out

Hygrozyme Horticultural Enzymatic Formula 4 Liter

Vendor:
SIPCO

Regular price $139.71

Regular price ~~$146.95~~ Sale price $139.71

Sold out
RAW Silica 2 oz

Sold out

RAW Silica 2 oz

Vendor:
NPK Industries

Regular price $14.85

Regular price ~~$15.00~~ Sale price $14.85

Sold out
Aphrodite's Extraction 1 gal

Sale

Aphrodite's Extraction 1 gal

Vendor:
Nectar for the Gods

Regular price $48.64

Regular price ~~$69.49~~ Sale price $48.64

Sale
Mills C4 1L

Sold out

Mills C4 1L

Vendor:
Mills Nutrients

Regular price $73.33

Regular price ~~$80.00~~ Sale price $73.33

Sold out
Mineral Matrix Organic Micronutrients qt

Sale

Mineral Matrix Organic Micronutrients qt

Vendor:
Green Air Products

Regular price $18.96

Regular price ~~$19.95~~ Sale price $18.96

Sale
Mineral Matrix Organic Micronutrients gal

Sold out

Mineral Matrix Organic Micronutrients gal

Vendor:
Green Air Products

Regular price $47.40

Regular price ~~$49.95~~ Sale price $47.40

Sold out

1
…
3
4
5
6
7
…
22

CO2 Swaps - $12.49 + Tax

Terms of Service
Refund policy
Privacy Policy
Shop All Products

Subscribe to our emails

Email

Facebook
Instagram
YouTube

Payment methods

© 2026, Mountain Lion Garden Supply Powered by Shopify

Refund policy
Privacy policy
Terms of service
Shipping policy
Contact information

Choosing a selection results in a full page refresh.
Opens in a new window.