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Nutrients & Supplements

Soil Amendments
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64
FoxFarm Open Sesame, 1 lb
In stock
$15.72 $57.10 -72%
FoxFarm Cultivation Nation pH Up Nutrient Solution Adjuster | 32oz - Raises the pH in Nutrient Solution
In stock
$15.61 $24.99 -38%
FoxFarm Cultivation Nation pH Down Nutrient Solution Adjuster | 32oz - Lowers the pH in Nutrient Solution
In stock
$15.61 $24.99 -38%
FoxFarm Marine Cuisine Slow-Release Fertilizer 10-7-7 | 4lb - Bag - (Case of 8)
In stock
$15.61 $23.99 -35%
Roots Organics HPK 0-4-3, 1 qt
In stock
$15.59 $24.93 -37%
Roots Organics Buddha Grow 1qt
In stock
$15.59 $24.93 -37%
General Hydroponics CALiMAGic 1-0-0 - 32oz
In stock
$15.55 $25.14 -38%
Elite Root Igniter E, 8 oz - A Hydrofarm Exclusive!
In stock
$15.46 $32.99 -53%
Xtreme Gardening Azos Root Booster | 2oz - (Case of 12)
In stock
$15.44 $20.34 -24%
Xtreme Gardening Mykos | 1lb - (Case of 12)
In stock
$15.44 $20.34 -24%
MICROBE Life Hydroponics Photosynthesis Plus | 16oz - (Case of 12)
In stock
$15.41 $30.99 -50%
Roots Organics Terp Tea Bloom, 3 lb
In stock
$15.39 $20.51 -25%
Roots Organics Terp Tea Grow, 3 lb
In stock
$15.39 $20.51 -25%
Emerald Harvest pH Up | 32oz
In stock
$15.31 $25.50 -40%
Emerald Harvest pH Down | 32oz
In stock
$15.31 $25.50 -40%
Remo Micro, 1 L
In stock
$15.31 $22.99 -33%
Remo Magnifical, 1 L
In stock
$15.31 $22.99 -33%
Down to Earth Kelp Meal 1-0.1-2 | 5lb - OMRI Listed
Out of stock
$15.30 $37.49 -59%
Down to Earth Solution Grade Calcium 96 | 5lb - OMRI Listed - (Case of 5)
In stock
$15.29
Nectar for The Gods Demeter's Destiny Liquid Calcium 0-0.5-0 | 32oz
In stock
$15.26 $21.99 -31%
Nectar for The Gods Hades Down 0-1-0 | 32oz
In stock
$15.26 $21.99 -31%
Nectar for The Gods Zeus Juice Growth Enhancer | 32oz
In stock
$15.26 $21.99 -31%
FoxFarm Bush Doctor Manganese Micro-Nutrient 1-0-0 | 16oz - OMRI Listed - (Case of 12)
Out of stock
$15.24 $28.49 -47%
FoxFarm Bush Doctor Liquid Iron Micro-Nutrient 1-0-0 | 16oz - OMRI Listed - (Case of 12)
In stock
$15.24 $28.49 -47%
Nectar for The Gods One Shot 3-10-0 | 4lb - (Case of 10)
Out of stock
$15.24 $24.99 -39%
Grotek Blossom Blaster Pro Liquid, 1 L
In stock
$15.20 $29.18 -48%
MICROBE Life Hydroponics Nourish-L Liquid Fertilizer | 16oz - (Case of 12)
In stock
$15.19 $29.99 -49%
Neptune's Harvest Seaweed Plant Food 0-0-1 | 32oz - Concentrate - Makes 32gal - OMRI Listed - (Case of 12)
In stock
$15.16 $20.99 -28%
Mad Farmer Mother Of All Bloom, 250g
In stock
$15.11 $32.12 -53%
General Organics CaMg+ Calcium Magnesium Supplement - 32oz
In stock
$15.05 $24.49 -39%
Grotek Blossom Blaster 1-4-0 | 15/box - 20g
In stock
$14.99
FoxFarm Cultivation Nation Micro Fertilizer 5-0-1 | 32oz - Step 2 for 3-Part Feeding Programs
In stock
$14.96 $24.99 -40%
Miracle-Gro Performance Organics Edibles | 2.5lb Jug - OMRI Listed - (Case of 6)
In stock
$14.90 $23.19 -36%
Xtreme Gardening Calcar Foliar Booster | 3oz - (Case of 12)
Out of stock
$14.90 $19.64 -24%
Botanicare Cal-Mag Plus 2-0-0 | 32oz
In stock
$14.89 $24.13 -38%
Mad Farmer Cal+Mag, 1 qt
In stock
$14.86 $21.62 -31%
HDI Ionic PK BOOST Plant Nutrient 0-5-6 | 1gal - (Case of 4)
In stock
$14.85 $46.24 -68%
Bushdoctor Kangaroots 1 pt
Out of stock
$14.84 $20.24 -27%
General Organics BioThrive Bloom 2-4-4 | 32oz
In stock
$14.64 $23.63 -38%
Olivia's Cloning Gel | 4oz - (Case of 24)
In stock
$14.62 $22.95 -36%
Gaia Mania, 1 qt
In stock
$14.58 $19.49 -25%
Down to Earth Solution Grade Langbeinite 0-0-22 | 5lb - OMRI Listed - (Case of 5)
In stock
$14.54 $24.49 -41%
Down to Earth Solution Grade Potassium Sulfate 0-0-50 | 5lb - OMRI Listed - (Case of 5)
In stock
$14.54 $24.49 -41%
Technaflora B.C. Bloom, 1 L
In stock
$14.52 $23.99 -39%
Technaflora B.C. Grow, 1 L
In stock
$14.52 $23.99 -39%
Plant Success Organics Granular 3-1-2 | 1lb - Granules - (Case of 12)
In stock
$14.42 $19.95 -28%
Save 10%
Gaia Green Worm Castings, 2 L U.S. (NA02) Pouch
In stock
$14.40 $15.99 -10%
Emerald Harvest Cal-Mag | 32oz
In stock
$14.38 $23.00 -37%
Bushdoctor Bembe Pt
Out of stock
$14.38 $19.60 -27%
Neptune's Harvest Fish Fertilizer 2-4-1 | 36oz - Concentrate - OMRI Listed - (Case of 12)
In stock
$14.36 $22.39 -36%
Roots Organics HP2 | 32oz
In stock
$14.28 $17.99 -21%
Coast of Maine Quoddy Blend Organic Lobster Compost | 1cu ft - OMRI Listed - (Case of 5)
In stock
$14.26 $23.99 -41%
Botanicare Silica Blast 0-0-0.5 - 32oz
In stock
$14.22 $23.13 -39%
Demeter's Destiny, 1 qt
In stock
$14.18 $22.99 -38%
Zeus Juice, 1 qt
In stock
$14.18 $22.99 -38%
FoxFarm Grow Big Liquid Concentrate, 1 pt
In stock
$14.10 $18.80 -25%
FoxFarm Tiger Bloom Liquid Concentrate, 1 pt
In stock
$14.10 $18.80 -25%
Down to Earth Liquid All-Purpose 4-1-3 | 32oz - (Case of 10)
In stock
$14.09 $22.99 -39%
Down to Earth Agmino Powder 14-0-0 | 1lb - (Case of 6)
In stock
$14.00 $25.69 -46%
Down to Earth Fish Bone Powder 4-20-0 | 1lb - (Case of 6)
In stock
$13.99
Save 17%
Mother Earth Power Flower Fantastic Flowering Mix 1-8-6 - 2.4lb
In stock
$13.94 $16.88 -17%
Save 17%
Mother Earth Farmer's Market All Purpose Mix 4-5-4 - 4.4lb
In stock
$13.94 $16.88 -17%
Save 17%
Mother Earth Season's Choice Tomato & Vegetable Mix 4-5-6 - 4.4lb
In stock
$13.94 $16.88 -17%
Save 17%
Mother Earth Acid Drop for Acid -Loving Plants 3-4-6 - 4.4lb
In stock
$13.94 $16.88 -17%
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