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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)
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Fish Head Farms (4 products)
FoxFarm Nutrients (14 products)
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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)
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Fractal Growth (8 products)
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General Hydroponics (5 products)
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Heavy16 (3 products)
House & Garden (11 products)
Mills Nutrients (8 products)
New Millenium (1 product)
NPK Industries (26 products)
Optic Foliar (13 products)
Plagron (2 products)
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)
General Hydroponics (5 products)
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House & Garden Nutrients (11 products)
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NPK Industries (26 products)
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Athena Ag (4 products)
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Biobizz (10 products)
Botanicare (13 products)
CANNA Continental (10 products)
Cutting Edge Solutions (10 products)
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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South Cascade Organics (3 products)

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167 products

RAW Calcium/Mag 2 lb

Sold out

RAW Calcium/Mag 2 lb

Vendor:
NPK Industries

Regular price $88.85

Regular price ~~$88.85~~ Sale price $88.85

Sold out
Mills Vitalize 1L

Sold out

Mills Vitalize 1L

Vendor:
Mills Nutrients

Regular price $236.25

Regular price ~~$262.50~~ Sale price $236.25

Sold out
Photosynthesis Plus Gal

Sold out

Photosynthesis Plus Gal

Vendor:
Ecological Laboratories

Regular price $93.05

Regular price ~~$97.99~~ Sale price $93.05

Sold out
Fish Sh!t Soil Conditioner 1 L

Sold out

Fish Sh!t Soil Conditioner 1 L

Vendor:
Fish Head Farms

Regular price $84.50

Regular price ~~$101.26~~ Sale price $84.50

Sold out
Cutting Edge Solutions Amplified Cal-Mag 2.5 gal

Sold out

Cutting Edge Solutions Amplified Cal-Mag 2.5 gal

Vendor:
Cutting Edge Solutions

Regular price $102.78

Regular price ~~$113.99~~ Sale price $102.78

Sold out
Canna Boost 1 L

Sold out

Canna Boost 1 L

Vendor:
CANNA Continental

Regular price $112.65

Regular price ~~$129.33~~ Sale price $112.65

Sold out
Cannazym 5 L

Sold out

Cannazym 5 L

Vendor:
CANNA Continental

Regular price $154.59

Regular price ~~$165.82~~ Sale price $154.59

Sold out
Canna PK 13-14 - 1 Litre

Sale

Canna PK 13-14 - 1 Litre

Vendor:
CANNA Continental

Regular price $23.32

Regular price ~~$24.32~~ Sale price $23.32

Sale
Biobizz CalMag 20 L

Sale

Biobizz CalMag 20 L

Vendor:
Biobizz

Regular price $247.67

Regular price ~~$353.82~~ Sale price $247.67

Sale
GREASE Green Label Plant Wash

Sale

GREASE Green Label Plant Wash

Vendor:
Fractal Growth

Regular price From $74.97

Regular price ~~$93.00~~ Sale price From $74.97

Sale
Plagron Power Roots - Root Stimulator

Sold out

Plagron Power Roots - Root Stimulator

Vendor:
Plagron

Regular price From $49.97

Regular price ~~$60.62~~ Sale price From $49.97

Sold out
Big Bloom Liquid Concentrate 1 gal

Sold out

Big Bloom Liquid Concentrate 1 gal

Vendor:
Foxfarm

Regular price $86.53

Regular price ~~$95.99~~ Sale price $86.53

Sold out
Bushdoctor Boomerang 1 gal

Sale

Bushdoctor Boomerang 1 gal

Vendor:
Foxfarm

Regular price $119.13

Regular price ~~$127.99~~ Sale price $119.13

Sale
BushDoctor Cal-Mag Gallon

Sold out

BushDoctor Cal-Mag Gallon

Vendor:
Foxfarm

Regular price $91.44

Regular price ~~$104.99~~ Sale price $91.44

Sold out
Beastie Bloomz 2lbs.

Sold out

Beastie Bloomz 2lbs.

Vendor:
Foxfarm

Regular price $99.23

Regular price ~~$97.99~~ Sale price $99.23

Sold out
Open Sesame 1lb.

Open Sesame 1lb.

Vendor:
Foxfarm

Regular price $56.53

Regular price ~~$52.99~~ Sale price $56.53
Soul Big Swell Qt

Sale

Soul Big Swell Qt

Vendor:
Aurora Innovations

Regular price $66.65

Regular price ~~$67.32~~ Sale price $66.65

Sale
House and Garden Roots Excelerator Gold 250 mL

Sold out

House and Garden Roots Excelerator Gold 250 mL

Vendor:
House & Garden

Regular price $67.66

Regular price ~~$86.10~~ Sale price $67.66

Sold out
House and Garden Roots Excelerator Gold 100 mL

Sold out

House and Garden Roots Excelerator Gold 100 mL

Vendor:
House & Garden

Regular price $33.55

Regular price ~~$39.69~~ Sale price $33.55

Sold out
Sweet Carbo Raw 1 gal

Sale

Sweet Carbo Raw 1 gal

Vendor:
Botanicare

Regular price $78.53

Regular price ~~$101.64~~ Sale price $78.53

Sale

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CO2 Swaps - $12.49 + Tax

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