0Cart

Nutrients & Supplements

Soil Amendments
Sort by:
Price: High to Low
Show:
128
Emerald Harvest Cali Pro Grow B 2-2-5 | 32oz
In stock
$10.62 $17.00 -38%
Emerald Harvest Cali Pro Bloom A 3-0-3 | 32oz
In stock
$10.62 $17.00 -38%
Emerald Harvest Cali Pro Bloom B 1-4-6 | 32oz
In stock
$10.62 $17.00 -38%
Emerald Harvest Cali Pro Grow B, 1 qt
In stock
$10.62 $17.00 -38%
Down to Earth Bio-Fish 7-7-2 | 5lb - OMRI Listed - (Case of 6)
In stock
$10.58 $16.49 -36%
Grotek Final Flush Blueberry, 1 L
In stock
$10.55 $15.19 -31%
Emerald Harvest Bloom, 1 qt
In stock
$10.50 $14.00 -25%
Gaia Green Basalt Rock Dust, 2 kg U.S. (NA02) Pouch
In stock
$10.50 $13.99 -25%
Down to Earth Fruit Tree 6-2-4 | 5lb - OMRI Listed - (Case of 6)
In stock
$10.42 $15.99 -35%
True Organic Seabird Guano 6-12-0 | 4lb - Use Twice A Year - Spring & Fall Application - Covers up to 70sq ft - OMRI Listed - (Case of 6)
In stock
$10.42 $13.99 -26%
Down to Earth Rose & Flower Mix 4-8-4 | 5lb - OMRI Listed - (Case of 6)
In stock
$10.38 $15.99 -35%
Down to Earth Citrus Mix 6-3-3 | 5lb - OMRI Listed - (Case of 6)
In stock
$10.38 $16.29 -36%
Sustane 8-2-4 Lawn & Landscape Plant Food | 5lb - OMRI Listed - (Case of 8)
In stock
$10.32 $15.60 -34%
FoxFarm Cultivation Nation Micro, 1 pt
In stock
$10.32 $17.50 -41%
Down to Earth Bat Guano 7-3-1 | 2lb - OMRI Listed - (Case of 6)
In stock
$10.22 $17.29 -41%
Neptune's Harvest Fish Fertilizer 2-4-1 | 18oz - Concentrate - OMRI Listed - (Case of 12)
In stock
$10.22 $13.79 -26%
General Hydroponics FloraBloom 0-5-4 - 32oz
In stock
$10.21 $16.63 -39%
General Hydroponics FloraGro 2-1-6 - 32oz
In stock
$10.21 $16.63 -39%
Grotek Vitamax Pro 1-1-1 | 1L - (Case of 6)
In stock
$10.18 $25.39 -60%
FoxFarm Soil Conditioner | 1.5cu ft - Improves Aeration - Contains Humic Acid
In stock
$10.12 $15.49 -35%
Olympus Up, 1 qt
In stock
$10.12 $16.49 -39%
General Hydroponics FloraMicro 5-0-1 - 16oz
In stock
$10.01 $16.17 -38%
MILLS BASIS A 1LTR
In stock
$10.00 $16.00 -38%
Big Foot Root Boost Nitrogen-Fixing Azospirillum | 2oz
In stock
$9.99
Grotek Vitamax Plus 1-1-2 | 1L - (Case of 6)
In stock
$9.99
Down to Earth Fish Bone Meal 4-12-0 | 5lb - OMRI Listed - (Case of 6)
In stock
$9.98 $15.49 -36%
FoxFarm Happy Frog All-Purpose Fertilizer, 4 lb bag
In stock
$9.98 $17.42 -43%
FoxFarm Happy Frog Fruit & Flower Fertilizer, 4 lb bag
In stock
$9.98 $17.42 -43%
FoxFarm Happy Frog Japanese Maple Fertilizer, 4 lb bag
In stock
$9.98 $17.42 -43%
MICROBE Life Hydroponics Vegetable & Fruit Yield Enhancer | 16oz - (Case of 12)
In stock
$9.94 $26.99 -63%
FoxFarm Cultivation Nation Micro Fertilizer 5-0-1 | 16oz - Step 2 for 3-Part Feeding Programs
In stock
$9.90 $15.59 -36%
Down to Earth Cottonseed Meal 6-2-1 | 5lb - All Purpose - (Case of 6)
In stock
$9.88 $14.99 -34%
Down to Earth All-Purpose Mix 4-6-2 | 5lb - OMRI Listed - (Case of 6)
In stock
$9.84 $15.29 -36%
Down to Earth Acid Mix 4-3-6 | 5lb - For Acid Soil Loving Plants - (Case of 6)
In stock
$9.84 $15.29 -36%
Down to Earth Vegetable Garden 4-4-4 | 5lb - OMRI Listed - (Case of 6)
In stock
$9.84 $15.29 -36%
Happy Frog Citrus/Avocado Dry Fertilizer 4 lb bag
Out of stock
$9.82 $17.18 -43%
Roots Organics Seabird Guano Powder, 3 lbs
In stock
$9.81 $12.94 -24%
Save 11%
Gaia Green Power Bloom, 500 g Pouch
In stock
$9.79 $10.98 -11%
Grotek Final Flush, 1 L
In stock
$9.76 $14.06 -31%
Cultivation Nation Bloom 1 pt
Out of stock
$9.76 $13.98 -30%
Gaia Green Glacial Rock Dust, 2 kg Pouch
In stock
$9.75 $12.99 -25%
Down to Earth Fish Powder 12-1-1 | 1lb - (Case of 6)
In stock
$9.74 $20.99 -54%
Down to Earth Garden Lime | 5lb - OMRI Listed - (Case of 6)
In stock
$9.69
Down to Earth Dolomite Lime | 5lb - OMRI Listed - (Case of 6)
In stock
$9.69
SUPERthrive Root-Gel Rooting Gel | 2oz - (Case of 12)
Out of stock
$9.68 $16.27 -41%
Soul Sensei Bloom, 1 qt
In stock
$9.61 $15.39 -38%
Soul Sensei Grow, 1 qt
Out of stock
$9.61 $15.39 -38%
Grotek Blossom Blaster Pro 1-4-0 | 1L - (Case of 6)
In stock
$9.59 $30.69 -69%
FoxFarm Happy Frog Tomato & Vegetable Fertilizer, 4 lb bag
In stock
$9.48 $16.70 -43%
Coco-Wet Organic Wetting Agent, 8 oz
In stock
$9.36 $12.49 -25%
FoxFarm Big Bloom Fertilizer 0-0.5-0.7 | 16oz - Concentrate - OMRI Listed - (Case of 12)
In stock
$9.31 $13.79 -32%
Down to Earth Solution Grade Gypsum | 5lb - OMRI Listed - (Case of 5)
Out of stock
$9.26 $15.49 -40%
FoxFarm Cultivation Nation Flower, 1 lb
In stock
$9.21 $18.78 -51%
Grotek Vital 5% Calcium | 500mL - (Case of 6)
In stock
$9.19 $25.58 -64%
House & Garden Top Booster, 250 ml
Out of stock
$9.19 $14.69 -37%
Nectar for The Gods Herculean Harvest Liquid Bone Meal 0-6-0 | 32oz
In stock
$9.18 $12.99 -29%
Nectar for The Gods Triton's Trawl Fishbone Meal 0.5-4-0 | 32oz
In stock
$9.18 $12.99 -29%
HEAVY 16 Bud A, 32 oz
In stock
$9.18 $14.69 -38%
HEAVY 16 Bud B, 32 oz
In stock
$9.18 $14.69 -38%
HEAVY 16 Veg A, 32 oz
In stock
$9.18 $14.69 -38%
HEAVY 16 Veg B, 32 oz
In stock
$9.18 $14.69 -38%
True Organic All-Purpose Plant Food 5-4-5 | 4lb - Resealable Bag - Covers up to 87sq ft - OMRI Listed - (Case of 6)
In stock
$9.14 $12.99 -30%
True Organic Tomato & Vegetable Food 4-5-6 | 4lb - Resealable Bag - Use Monthly - Covers up to 70sq ft - OMRI Listed - (Case of 6)
In stock
$9.14 $12.99 -30%
True Organic Azalea, Camellia & Rhododendron Food 5-4-3 | 4lb - Resealable Bag - Spring & Fall Application - Covers up to 87sq ft - OMRI Listed - (Case of 6)
In stock
$9.14 $12.99 -30%
True Organic Herb & Leafy Greens Food | 4lb - OMRI Listed - (Case of 6)
In stock
$9.14 $12.99 -30%
True Organic Berry Food 5-4-4 | 4lb - Resealable Bag - Use Monthly - Covers up to 58sq ft - OMRI Listed - (Case of 6)
In stock
$9.14 $12.99 -30%
True Organic Raised Bed Plant Food | 4lb - OMRI Listed - (Case of 6)
In stock
$9.14 $12.99 -30%
True Organic Rose & Flower Food | 4lb - OMRI Listed - (Case of 6)
In stock
$9.14 $12.99 -30%
Natural Guard by ferti·lome Organic AP Fertilizer 4-4-4 | 12lb - Granules - OMRI Listed - (Case of 4)
In stock
$9.14 $27.99 -67%
Natural Guard by ferti·lome Organic Tomato and Vegetable 2-5-3 | 12lb - Granules - OMRI Listed - (Case of 4)
In stock
$9.14 $27.99 -67%
Natural Guard by ferti·lome Organic Rose and Flower 3-4-3 | 12lb - Granules - OMRI Listed - (Case of 4)
Out of stock
$9.14 $27.99 -67%
Down to Earth Rock Phosphate 0-3-0 | 5lb - OMRI Listed - (Case of 6)
In stock
$9.11 $13.69 -33%
Happy Frog Steamed Bone Meal Dry Fertilizer 4 lb bag
Out of stock
$9.11 $17.16 -47%
Grotek Blossom Blaster, 20 g
In stock
$9.02 $12.99 -31%
Plant Success Orca | 100mL
In stock
$8.99
DaKine 420 Atomic Root Powder | 250g - (Case of 4)
In stock
$8.96 $38.99 -77%
DaKine 420 Shock & Awe Bloom Booster | 500g - (Case of 4)
In stock
$8.96 $38.99 -77%
FoxFarm Happy Frog Fruit & Flower 4-9-3 | 4lb - OMRI Listed
In stock
$8.94 $14.19 -37%
FoxFarm Happy Frog All-Purpose Fertilizer 6-4-5 | 4lb - OMRI Listed - (Case of 12)
Out of stock
$8.94 $14.19 -37%
FoxFarm Happy Frog Japanese Maple Fertilizer 4-3-4 | 4lb - OMRI Listed - (Case of 12)
Out of stock
$8.94 $14.19 -37%
FoxFarm Happy Frog Jump Start Fertilizer 3-4-3 | 4lb - OMRI Listed - (Case of 12)
In stock
$8.94 $14.19 -37%
FoxFarm Happy Frog Citrus & Avocado Fertilizer 7-3-3 | 4lb - OMRI Listed - (Case of 12)
Out of stock
$8.94 $14.19 -37%
FoxFarm Happy Frog Acid Loving Plants Fertilizer 4-5-3 | 4lb - OMRI Listed - (Case of 12)
Out of stock
$8.94 $14.19 -37%
Grotek Solo-Tek Bloom 3-8-8 | 500mL - (Case of 6)
In stock
$8.89 $16.29 -45%
Grotek Rype 3-0-0 | 500mL - (Case of 6)
In stock
$8.89 $24.75 -64%
FoxFarm Bush Doctor 1-0-0 Cal-Mag Supplement | 16oz - 3% Calcium - 0.9% Magnesium - OMRI Listed - (Case of 12)
Out of stock
$8.85 $14.49 -39%
Xtreme Gardening Mykos WP | 4oz - Wettable Powder - (Case of 12)
Out of stock
$8.85 $11.64 -24%
Grotek Solo-Tek Bloom 3-8-8 | 1L - (Case of 6)
In stock
$8.84 $28.29 -69%
Grotek Solo-Tek Grow 6-3-7 | 1L - (Case of 6)
In stock
$8.84 $28.29 -69%
Roots Organics SeaBird Guano | 3lb - Powder - (Case of 3)
In stock
$8.80 $10.99 -20%
Down to Earth Liquid Fish & Kelp 2-4-1 | 32oz - OMRI Listed - (Case of 12)
In stock
$8.78 $13.79 -36%
Herculean Harvest, 1 qt
In stock
$8.78 $14.49 -39%
Emerald Harvest Grow | 32oz
In stock
$8.75 $14.00 -38%
Emerald Harvest Bloom | 32oz
In stock
$8.75 $14.00 -38%
Emerald Harvest Grow, 1 qt
In stock
$8.75 $14.00 -38%
FoxFarm Happy Frog Tomato & Vegetable Fertilizer 5-7-3 | 4lb - OMRI Listed
In stock
$8.74 $14.19 -38%
FoxFarm Happy Frog Bone Meal 3-12-0 | 4lb - OMRI Listed - (Case of 12)
Out of stock
$8.74 $14.19 -38%
Mad Farmer Mother Of All Bloom, 100g
In stock
$8.70 $16.05 -46%
FoxFarm Cultivation Nation Cal-Mag | 16oz
In stock
$8.63 $12.99 -34%
FoxFarm Cultivation Nation Veggie 24-14-11 | 1lb - Step 1 for 2-Part Feeding Programs
Out of stock
$8.60 $14.29 -40%
HDI Clonex Mist Root Promoter | 100mL - (Case of 20)
In stock
$8.59 $11.56 -26%
Mother Earth Floressence Bloom Supplement 1-1-1 - 16oz
In stock
$8.54 $20.02 -57%
Down to Earth Granular Humic Acids | 5lb - OMRI Listed - (Case of 6)
In stock
$8.44 $14.99 -44%
Growth Science Nutrients Base A, 1 qt
In stock
$8.44 $17.99 -53%
General Hydroponics FloraGro 2-1-6 - 16oz
In stock
$8.41 $14.40 -42%
Down to Earth AZOMITE Granulated | 5lb - OMRI Listed - (Case of 6)
In stock
$8.40 $14.29 -41%
General Hydroponics FloraBloom 0-5-4 - 16oz
In stock
$8.36 $14.31 -42%
FoxFarm Cultivation Nation pH Up Nutrient Solution Adjuster | 16oz - Raises the pH in Nutrient Solution
In stock
$8.32 $12.99 -36%
FoxFarm Cultivation Nation pH Down Nutrient Solution Adjuster | 16oz - Lowers the pH in Nutrient Solution
In stock
$8.32 $12.99 -36%
CYCO 1L Bloom B - (Case of 12)
In stock
$8.29 $13.19 -37%
CYCO Bloom A 1 L - (Case of 12)
In stock
$8.29 $13.19 -37%
CYCO 1L Grow B - (Case of 12)
In stock
$8.29 $13.19 -37%
CYCO 1L Grow A - (Case of 12)
In stock
$8.29 $13.19 -37%
SUPERthrive K-L-N Rooting Concentrate | 8oz - (Case of 12)
In stock
$8.26 $13.99 -41%
MICROBE Life Hydroponics Vitamins & Amino Acids | 16oz - (Case of 12)
In stock
$8.21 $21.99 -63%
Grotek Pro-Silicate, 1 L
In stock
$8.19 $15.71 -48%
General Hydroponics FloraKleen - 32oz
In stock
$8.18 $13.24 -38%
Cultivation Nation Grow 1 pt
Out of stock
$8.14 $13.98 -42%
Olivia's Cloning Solution | 32oz (1qt) - (Case of 24)
In stock
$8.09 $13.95 -42%
Aptus Massboost, 100 ml
In stock
$8.09 $26.50 -69%
Optic Foliar ATAK Concentrate, 250 ml
In stock
$7.89 $18.99 -58%
FoxFarm Cultivation Nation Grow 2-1-6 | 16oz
In stock
$7.81 $12.19 -36%
FoxFarm Cultivation Nation Bloom 0-5-4 | 16oz
In stock
$7.81 $12.19 -36%
Down to Earth AZOMITE Slow Release Powder | 5lb - OMRI Listed - (Case of 6)
In stock
$7.80 $12.29 -37%
Sustane 4-6-4 Flower & Vegetable Plant Food | 5lb - OMRI Listed - (Case of 8)
Out of stock
$7.80 $11.79 -34%
True Organic Prilled Sulfur | 5lb - Resealable Bag - Lowers Soil pH - Covers up to 1,333sq ft - OMRI Listed - (Case of 6)
In stock
$7.70 $10.29 -25%
Down to Earth Shrimp Meal 6-6-0 | 2lb - OMRI Listed - (Case of 6)
In stock
$7.69 $11.99 -36%
Grotek Cal Max 2-0-0 | 500mL - (Case of 6)
In stock
$7.69 $11.29 -32%
Show another 95 products
Product filters
Free Shipping
In Stock
Nutrient Material
Price
$
–
$
  • $1
  • $40500
Shop Owner
Brand
    Show all (92)