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Collection: Additives & Supplements

Nutrients that are great supplements to a base nutrient but do not contain complete plant nutrition.

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Amendments (3 products)
Athena Nutrients (4 products)
Aurora/Soul Nutrients (1 product)
BioAg Nutrients (2 products)
Biobizz Nutrients (10 products)
Botanicare Nutrients (13 products)
CANNA Nutrients (10 products)
Cutting Edge Nutrients (10 products)
Down to Earth Fertilizers (1 product)
Fish Head Farms (4 products)
FoxFarm Nutrients (14 products)
Front Row Ag Nutrients (3 products)
General Hydroponics (5 products)
Grean Bicycles (1 product)
GREASE Nutrients (7 products)
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Grow More Nutrients (1 product)
Heavy16 Nutrients (3 products)
House & Garden Nutrients (11 products)
Media Amendments (2 products)
Microbe Life Nutrients (3 products)
Mills Nutrients (8 products)
New Millenium Nutrients (1 product)
NPK Industries (26 products)
Optic Foliar (12 products)
Plagron Nutrients (2 products)
Plant Care (1 product)
Real Growers (1 product)
SIPCO Nutrients (3 products)
South Cascade Organics (3 products)

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Athena Ag (4 products)
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BioAg (2 products)
Biobizz (10 products)
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Garden of Oz (1 product)
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New Millenium (1 product)
NPK Industries (26 products)
Optic Foliar (13 products)
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Real Growers (1 product)
Rocky Mountain Soil Stewardship (1 product)
SIPCO (3 products)
Solstice Ag (3 products)
South Cascade Organics (3 products)

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CANNA Nutrients (10 products)
Cutting Edge Nutrients (10 products)
Down to Earth Fertilizers (1 products)
Fish Head Farms (4 products)
FoxFarm Nutrients (14 products)
Front Row Ag Nutrients (3 products)
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Biobizz (10 products)
Botanicare (13 products)
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Down to Earth (3 products)
Ecological Laboratories (3 products)
Fish Head Farms (4 products)
Foxfarm (14 products)
Fractal Growth (8 products)
Garden of Oz (1 products)
General Hydroponics (5 products)
Grean Bicycles (1 products)
Green Air Products (2 products)
Grow More (1 products)
Heavy16 (3 products)
House & Garden (11 products)
Mills Nutrients (8 products)
New Millenium (1 products)
NPK Industries (26 products)
Optic Foliar (13 products)
Plagron (2 products)
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Rocky Mountain Soil Stewardship (1 products)
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167 products

Clearex - Salt Leaching Solution 1 gal

Sold out

Clearex - Salt Leaching Solution 1 gal

Vendor:
Botanicare

Regular price $44.36

Regular price ~~$44.36~~ Sale price $44.36

Sold out
Hydroplex Bloom 1 gal

Sold out

Hydroplex Bloom 1 gal

Vendor:
Botanicare

Regular price $123.30

Regular price ~~$131.94~~ Sale price $123.30

Sold out
Cutting Edge Solutions Bulletproof Si Silicon Supplement 1 gal

Sale

Cutting Edge Solutions Bulletproof Si Silicon Supplement 1 gal

Vendor:
Cutting Edge Solutions

Regular price $84.99

Regular price ~~$86.99~~ Sale price $84.99

Sale
Biobizz Bio-Heaven Organic Metabolic Stimulator 5 L

Sold out

Biobizz Bio-Heaven Organic Metabolic Stimulator 5 L

Vendor:
Biobizz

Regular price $270.89

Regular price ~~$386.99~~ Sale price $270.89

Sold out
SLF-100 - Organic Enzymatic Formula 1 gallon

Sold out

SLF-100 - Organic Enzymatic Formula 1 gallon

Vendor:
South Cascade Organics

Regular price $113.89

Regular price ~~$133.99~~ Sale price $113.89

Sold out
SLF-100 2.5 Gallon

Sold out

SLF-100 2.5 Gallon

Vendor:
South Cascade Organics

Regular price $198.44

Regular price ~~$314.99~~ Sale price $198.44

Sold out
Hygrozyme 500 mL

Sale

Hygrozyme 500 mL

Vendor:
SIPCO

Regular price $30.19

Regular price ~~$30.49~~ Sale price $30.19

Sale
Optic Foliar WATTS 250ml./8.5oz.

Sold out

Optic Foliar WATTS 250ml./8.5oz.

Vendor:
Optic Foliar

Regular price $19.99

Regular price ~~$21.95~~ Sale price $19.99

Sold out
Optic Foliar TRANSPORT 250ml./8.5oz.

Sale

Optic Foliar TRANSPORT 250ml./8.5oz.

Vendor:
Optic Foliar

Regular price $30.89

Regular price ~~$35.95~~ Sale price $30.89

Sale
Optic Foliar REV 500ml./17oz.

Sold out

Optic Foliar REV 500ml./17oz.

Vendor:
Optic Foliar

Regular price $29.95

Regular price ~~$33.95~~ Sale price $29.95

Sold out
RAW MICROBES Bloom Stage 8 oz

RAW MICROBES Bloom Stage 8 oz

Vendor:
NPK Industries

Regular price $30.24

Regular price ~~$29.95~~ Sale price $30.24
RAW MICROBES Bloom Stage 2 oz

Sale

RAW MICROBES Bloom Stage 2 oz

Vendor:
NPK Industries

Regular price $12.82

Regular price ~~$12.95~~ Sale price $12.82

Sale
RAW Silica 2 lb (3/cs)

Sale

RAW Silica 2 lb (3/cs)

Vendor:
NPK Industries

Regular price $108.85

Regular price ~~$109.92~~ Sale price $108.85

Sale
RAW ominA 8 oz

Sale

RAW ominA 8 oz

Vendor:
NPK Industries

Regular price $47.85

Regular price ~~$48.85~~ Sale price $47.85

Sale
RAW Kelp 8 oz

Sold out

RAW Kelp 8 oz

Vendor:
NPK Industries

Regular price $44.85

Regular price ~~$44.85~~ Sale price $44.85

Sold out
RAW Humic Acid 8 oz

Sold out

RAW Humic Acid 8 oz

Vendor:
NPK Industries

Regular price $38.85

Regular price ~~$38.85~~ Sale price $38.85

Sold out
RAW Cane Molasses 8 oz

RAW Cane Molasses 8 oz

Vendor:
NPK Industries

Regular price $34.85

Regular price ~~$34.85~~ Sale price $34.85
RAW Calcium/Mag 8 oz

RAW Calcium/Mag 8 oz

Vendor:
NPK Industries

Regular price $34.85

Regular price ~~$34.85~~ Sale price $34.85
Mills Vitalize 500mL

Sale

Mills Vitalize 500mL

Vendor:
Mills Nutrients

Regular price $135.00

Regular price ~~$150.00~~ Sale price $135.00

Sale
Mills C4 5L

Sale

Mills C4 5L

Vendor:
Mills Nutrients

Regular price $270.00

Regular price ~~$300.00~~ Sale price $270.00

Sale

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CO2 Swaps - $12.49 + Tax

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