0Cart

Nutrients & Supplements

Soil Amendments
Sort by:
Price: High to Low
Show:
128
Mega Morpheus, 1 gal
In stock
$35.64 $51.99 -31%
Pegasus Potion, 1 gal
In stock
$35.64 $51.99 -31%
The Kraken, 1 gal
In stock
$35.64 $51.99 -31%
HDI Clonex Rooting Gel | 250ml - Wide Mouth Bottle
In stock
$35.61 $48.02 -26%
General Hydroponics Floralicious Plus 2-0.8-0.5 - 32oz
In stock
$35.38 $91.89 -61%
Down to Earth Starter Mix 3-3-3 | 50lb - OMRI Listed
In stock
$35.29 $102.29 -66%
Neptune's Harvest Fish Fertilizer 2-4-1 | 1gal - Concentrate - OMRI Listed - (Case of 4)
In stock
$35.28 $47.99 -26%
Grotek Monster Bloom, 500 g
In stock
$35.14 $45.99 -24%
Grotek Monster Grow Pro, 500 g
In stock
$35.14 $45.99 -24%
GH General Organics BioBud Quart (Case of 12)
In stock
$35.01 $52.35 -33%
SUPERthrive Pure Neem Oil Organic Leaf Polish | 32oz - (Case of 12)
In stock
$34.72 $58.09 -40%
Grotek Vitamax Pro 1-1-1 | 4L - (Case of 4)
In stock
$34.60 $85.79 -60%
Down to Earth Bone Meal 3-15-0 | 25lb - OMRI Listed
In stock
$34.59 $51.99 -33%
Primordial Solutions Rootamentary, 16 oz
In stock
$34.46 $45.99 -25%
FoxFarm Cultivation Nation pH DOWN, 1 pint, case of 12
In stock
$34.42 $144.40 -76%
Nectar for The Gods Athena's Aminas 0.5-0-0 | 1gal
Out of stock
$34.31 $48.99 -30%
Nectar for The Gods Hygeia Hydration Yucca Extract | 1gal - (Case of 4)
In stock
$34.31 $48.99 -30%
Nectar for The Gods Medusa's Magic Soil Nutrient 2-5-2 | 1gal - (Case of 4)
In stock
$34.31 $48.99 -30%
Nectar for The Gods Mega Morpheus Guano Tea 0-2-0 | 1gal - (Case of 4)
In stock
$34.31 $48.99 -30%
Nectar for The Gods The Kraken Crab & Shrimp 0-4-0 | 1gal - (Case of 4)
Out of stock
$34.31 $48.99 -30%
HDI Ionic Bloom Plant Nutrient 3-2-6 | 1gal - (Case of 4)
In stock
$34.29 $46.24 -26%
HDI Ionic Grow Plant Nutrient 3-1-5 | 1gal - (Case of 4)
In stock
$34.29 $46.24 -26%
Nectar for The Gods One Shot 3-10-0 | 12lb - (Case of 3)
Out of stock
$34.29 $54.99 -38%
Cultivation Nation Bloom 1 gal
Out of stock
$34.29 $47.85 -28%
Cultivation Nation Grow 1 gal
Out of stock
$34.29 $47.85 -28%
Down To Earth Fruit Tree 6-2-4 | 25lb - OMRI Listed
In stock
$34.21 $51.99 -34%
Biobizz Top-Max, 1 L
In stock
$34.20 $62.20 -45%
BioBizz Top-Max 1L CA & OR only
In stock
$34.20 $62.20 -45%
Emerald Harvest Grow | 2.5gal
In stock
$34.12 $80.00 -57%
Down To Earth Rose & Flower Mix 4-8-4 | 25lb - OMRI Listed
In stock
$34.04 $50.69 -33%
Elite Resin D, 32 oz - A Hydrofarm Exclusive!
In stock
$34.02 $72.59 -53%
House & Garden Aqua Flakes A, 5 L
In stock
$34.02 $49.48 -31%
House & Garden Aqua Flakes B, 5 L
In stock
$34.02 $49.48 -31%
House & Garden Cocos A, 5 L
In stock
$34.02 $49.48 -31%
House & Garden Cocos B, 5 L
In stock
$34.02 $49.48 -31%
House & Garden Soil A, 5 L
In stock
$34.02 $49.48 -31%
House & Garden Soil B, 5 L
In stock
$34.02 $49.48 -31%
Remo Grow, 4 L
In stock
$34.02 $49.99 -32%
Botanicare Silica Blast 0-0-0.5 - 1gal
In stock
$33.96 $54.78 -38%
House & Garden Multi Zen, 1 L
In stock
$33.88 $49.27 -31%
Remo Bloom, 4 L
In stock
$33.70 $48.99 -31%
MICROBE Life Hydroponics All-In-One | 32oz - (Case of 12)
In stock
$33.69
Hygrozyme Horticultural Enzyme Formula, 1 L
In stock
$33.68 $41.99 -20%
Save 6%
General Hydroponics Flora Series Trial Pack | 3pc - 32oz FloraMicro, 32oz FloraGro, and 32oz FloraBloom
In stock
$33.65 $35.77 -6%
Down to Earth Liquid Bone Meal 0-12-0 | 1gal - (Case of 4)
Out of stock
$33.59 $48.99 -31%
Royal Gold Imperial Boost 0-15-11 | 10lb - (Case of 4)
In stock
$33.52 $47.99 -30%
Roots Organics Uprising Bloom, 9 lbs
In stock
$33.41 $48.59 -31%
Roots Organics Uprising Foundation, 9 lbs
In stock
$33.41 $48.59 -31%
Roots Organics Uprising Grow, 9 lbs
In stock
$33.41 $48.59 -31%
DaKine 420 Atomic Root Powder | 1,000g - (Case of 4)
In stock
$33.31 $144.99 -77%
Technaflora B.C. Bloom, 4 L
In stock
$33.28 $47.99 -31%
Technaflora B.C. Grow, 4 L
In stock
$33.28 $47.99 -31%
Great White Premium Mycorrhizae, 4 oz
In stock
$33.10 $43.08 -23%
Royal Gold Crown Jewels Bloom 1-4-2 | 10lb - (Case of 4)
In stock
$33.06 $47.99 -31%
Royal Gold Crown Jewels Grow 3-2-2 | 10lb - (Case of 4)
In stock
$33.06 $47.99 -31%
HDI Ionic PK BOOST Plant Nutrient 0-5-6 | 2.5gal - (Case of 2)
In stock
$33.00 $99.65 -67%
Down to Earth Liquid Calcium 5% | 1gal - OMRI Listed - Makes 128 Gallons - (Case of 4)
In stock
$32.86 $62.99 -48%
Down to Earth Liquid All-Purpose 4-1-3 | 1gal - (Case of 4)
In stock
$32.86 $63.99 -49%
HEAVY 16 Foliar, 32 oz
In stock
$32.80 $52.49 -38%
Budswel, 1 gal (CA Only)
In stock
$32.69 $54.99 -41%
Grotek Cal Max 2-0-0 | 4L - (Case of 4)
In stock
$32.61 $47.59 -31%
Technaflora Awesome Blossoms, 1 L
In stock
$32.60 $47.99 -32%
Grotek Blossom Blaster Pro 1-4-0 | 4L - (Case of 4)
In stock
$32.55 $104.29 -69%
Down to Earth Fish Bone Meal 4-12-0 | 25lb - OMRI Listed
In stock
$32.41 $48.99 -34%
Cutting Edge Solutions Micro, 1 gal
In stock
$32.40 $41.99 -23%
Save 11%
MegaPhos SP Phosphorus Solubilizing Microbe | 2oz - OMRI Listed
Out of stock
$32.39 $36.57 -11%
Cutting Edge Solutions Louder Powder Grow A (15-0-0), 5 lb Bag
In stock
$32.38 $49.99 -35%
Cutting Edge Solutions Louder Powder Grow B (8-13-31), 5 lb Bag
In stock
$32.38 $49.99 -35%
Cutting Edge Solutions Louder Powder Bloom A (14-0-0), 5 lb Bag
In stock
$32.38 $49.99 -35%
Cutting Edge Solutions Louder Powder Bloom B (0-25-24), 5 lb Bag
In stock
$32.38 $49.99 -35%
Orca Premium Liquid Mycorrhizae, 16 oz
In stock
$32.31 $42.07 -23%
Save 4%
Magnesium Sulfate Epsom Salts | 50lb (49/PL) - OMRI Listed
In stock
$32.28 $33.57 -4%
Grotek Bud Fuel Pro 1-3-4 | 4L - (Case of 4)
In stock
$32.24 $103.29 -69%
Save 18%
HYGROZYME Horticultural Horticulture Enzyme Formula | 1L (0.26gal)
In stock
$32.06 $39.00 -18%
Olympus Up, 1 gal
In stock
$31.92 $46.49 -31%
Soul Sensei Micro, 1 gal
In stock
$31.75 $46.19 -31%
Botanicare Hydroplex Bloom 0-10-6 - 32oz
In stock
$31.56 $50.89 -38%
Rock Rootinator, 5 L
In stock
$31.25 $269.99 -88%
HEAVY 16 Veg A, 1 gal
In stock
$31.25 $50.01 -38%
HEAVY 16 Veg B, 1 gal
In stock
$31.25 $50.01 -38%
Roots Organics Extreme Serene, 1 qt
In stock
$31.19 $45.35 -31%
Plant Success Great White Premium Mycorrhizae | 4oz
In stock
$31.18 $43.08 -28%
SUPERthrive Root-Gel Rooting Gel | 8oz - (Case of 12)
Out of stock
$30.94 $51.99 -40%
MILLS BASIS A 5LTR
Out of stock
$30.94 $45.00 -31%
MILLS BASIS B 5 LTR
In stock
$30.94 $45.00 -31%
Grotek Insta-Green 3-0-0 | 4L - (Case of 4)
In stock
$30.89 $44.99 -31%
Save 17%
PRO-MIX BRK BIOFUNGICIDE + MYCORRHIZAE Peat/Bark Mix | 2.8cu ft - Loose Fill (48/PL)
In stock
$30.78 $37.04 -17%
Optic Foliar REV, 500 ml - (Case of 12)
In stock
$30.75 $71.99 -57%
Optic Foliar Watts, 500 ml - (Case of 12)
In stock
$30.75 $71.99 -57%
Down To Earth Vegetable Garden 4-4-4 | 25lb - OMRI Listed
In stock
$30.60 $44.69 -32%
Down to Earth All-Purpose Mix 4-6-2 | 25lb - OMRI Listed
In stock
$30.60 $44.69 -32%
HDI MotherPlant Nutrients Part A | 2.5gal - (Case of 2)
In stock
$30.52 $93.36 -67%
HDI MotherPlant Nutrients Part B | 2.5gal - (Case of 2)
In stock
$30.52 $93.36 -67%
Nectar for The Gods Olympus Up | 1gal - (Case of 4)
In stock
$30.52 $42.99 -29%
Plant Success Orca | 16oz
In stock
$30.44 $42.07 -28%
HDI Clonex Mist Root Promoter | 750ml - (Case of 6)
In stock
$30.34 $40.90 -26%
House & Garden Bio 1-Component, 1 L
In stock
$30.32 $44.10 -31%
Save 18%
Roots Organics Terp Tea Microbe Charge, 3 lb
In stock
$30.28 $36.71 -18%
Save 18%
Roots Organics Terp Tea Microbe Charge 3lb
In stock
$30.28 $36.71 -18%
Emerald Harvest Emerald Goddess, 1 qt
In stock
$30.25 $44.00 -31%
Emerald Harvest Honey Chome, 1 qt
In stock
$30.25 $44.00 -31%
Emerald Harvest King Kola, 1 qt
In stock
$30.25 $44.00 -31%
Emerald Harvest King Kola, 1 qt (FL/NM/PA)
In stock
$30.25 $44.00 -31%
Biomin Copper | 2.5gal - OMRI Listed
In stock
$30.19 $98.30 -69%
Down to Earth Acid Mix 4-3-6 | 25lb - For Acid Soil Loving Plants
In stock
$30.15 $43.99 -31%
Save 17%
PRO-MIX BRK20 BIOFUNGICIDE + MYCORRHIZAE Peat/Bark Mix | 2.8cu ft - Loose Fill (48/PL)
In stock
$29.98 $36.07 -17%
FoxFarm Bush Doctor Microbe Brew, 1 qt
In stock
$29.98 $42.55 -30%
Xtreme Gardening Versity Bacillus Blend | 2oz - Poly Bag - (Case of 12)
Out of stock
$29.79
Grotek Insta-Green, 4 L
In stock
$29.79 $38.99 -24%
Roots Organics Nitro Bat Guano, 9 lbs
In stock
$29.70 $43.19 -31%
DaKine 420 Shock & Awe Bloom Booster | 2,000g - (Case of 4)
In stock
$29.64 $128.99 -77%
General Hydroponics Diamond Nectar 0-1-1 - 1gal
In stock
$29.39 $68.90 -57%
BioAG Cytoplus | 300g - (Case of 12)
In stock
$29.34 $43.07 -32%
BioAG VAM Endo-Mix | 300g - (Case of 12)
In stock
$29.34 $43.07 -32%
Grotek Root Force 1-0-0 | 1L - (Case of 6)
In stock
$29.21 $42.59 -31%
Botanicare Pure Blend Tea 0.5-0.5-1 - 1gal
In stock
$29.12 $47.07 -38%
Cutting Edge Solutions Grow, 1 gal
In stock
$29.09 $36.99 -21%
Cutting Edge Solutions Bloom, 1 gal
In stock
$29.09 $37.99 -23%
Save 19%
South Cascade Organics SLF-100, 1 qt
In stock
$29.01 $35.99 -19%
Coast of Maine Stonington Blend Organic Natural Grower's Mix | 1.5cu ft - OMRI Listed - (Case of 6)
In stock
$28.99 $46.29 -37%
Down To Earth Island Phosphate 0-11-0 | 5lb - (Case of 6)
In stock
$28.99
Herculean Harvest, 1 gal
In stock
$28.96 $42.49 -32%
General Hydroponics FloraPro Late Bloom 0-24-26 - 5lb
In stock
$28.91 $45.48 -36%
Emerald Harvest Micro, 1 gal
In stock
$28.89 $42.00 -31%
Aptus Believer Pack
In stock
$28.75 $92.06 -69%
Save 18%
Roots Organics Terp Tea Bloom Booster, 3 lb
In stock
$28.50 $34.56 -18%
Save 18%
Roots Organics Terp Tea Bloom Booster 3lb
In stock
$28.50 $34.56 -18%
Save 19%
Roots Organics Extreme Serene | 32oz
In stock
$28.49 $34.99 -19%
Show another 128 products
Product filters
Free Shipping
In Stock
Nutrient Material
Price
$
–
$
  • $1
  • $40500
Shop Owner
Brand
    Show all (92)