0Cart

Nutrients & Supplements

Soil Amendments
Sort by:
Price: High to Low
Show:
128
House & Garden Hydro A, 20 L
In stock
$22.64 $123.99 -82%
General Hydroponics FloraNova Grow 7-4-10 - 32oz
In stock
$22.50 $36.39 -38%
General Hydroponics FloraNova Bloom 4-8-7 - 32oz
In stock
$22.50 $36.39 -38%
FoxFarm Bush Doctor Wholly Mackerel Fertilizer 3-1-0 | 32oz - Concentrate
In stock
$22.40 $38.99 -43%
Neptune's Harvest Kelp Meal Multi-Purpose Plant Food 1-0-2 | 4lb - OMRI Listed - (Case of 6)
Out of stock
$22.05 $29.99 -26%
FoxFarm Bush Doctor Bemb Sweet & Dandy 0-1-3 | 32oz - Concentrate
In stock
$21.91 $34.99 -37%
Emerald Harvest Grow | 1gal - (Case of 4)
In stock
$21.88 $35.00 -37%
Emerald Harvest Bloom | 1gal - (Case of 4)
In stock
$21.88 $35.00 -37%
Emerald Harvest Grow, 1 gal
In stock
$21.88 $35.00 -37%
Humboldt Nutrients Mayan Microzyme, 8 oz
In stock
$21.86 $34.99 -38%
FoxFarm Tiger Bloom Liquid Concentrate, 1 qt
In stock
$21.85 $33.29 -34%
FoxFarm Grow Big Liquid Concentrate, 1 qt
In stock
$21.84 $33.26 -34%
Down To Earth Tree & Shrub 4-2-4 | 25lb (40/PL)
In stock
$21.79 $63.99 -66%
FoxFarm Bush Doctor Boomerang Comeback Formula 2-0.2-0.3 | 32oz
In stock
$21.71 $33.99 -36%
House & Garden Magic Green -- 250mL
Out of stock
$21.66 $34.64 -37%
Bloom Khaos, 1 qt
In stock
$21.60 $34.99 -38%
Rock Fusion Grow Base Nutrient, 1 L
In stock
$21.55 $39.99 -46%
Grotek Vitamax Pro, 1 L
In stock
$21.54 $31.02 -31%
Plant Success King Crab, 4 oz
In stock
$21.48 $27.99 -23%
FoxFarm Bush Doctor Sledgehammer | 32oz - OMRI Listed
In stock
$21.46 $33.99 -37%
Save 18%
Roots Organics Trinity | 32oz
In stock
$21.44 $25.99 -18%
Crystal Burst, 1 qt
In stock
$21.36 $29.99 -29%
Roots Organics Trinity, 1 qt
In stock
$21.30 $34.00 -37%
MICROBE Life Hydroponics Vegetable & Fruit Yield Enhancer | 32oz - (Case of 12)
In stock
$21.29 $41.99 -49%
Gaia Green Power Bloom, 2 kg Pouch
In stock
$21.28 $28.59 -26%
FoxFarm Tiger Bloom Buds & Blooms Fertilizer 2-8-4 | 32oz - Concentrate
In stock
$21.05 $30.99 -32%
FoxFarm Grow Big Fertilizer 6-4-4 | 32oz - Concentrate
Out of stock
$21.04 $30.99 -32%
Save 18%
Dyna-Gro Grow, 1 qt
In stock
$20.81 $25.48 -18%
Xtreme Mykos Pure Mycorrhizal Inoculum, Wettable Powder, 12 oz
In stock
$20.80 $34.99 -41%
Save 17%
Coast of Maine Squid All Natural Liquid Plant Food 2-3-0, 1 qt
In stock
$20.74 $24.99 -17%
Down to Earth Granular Root Zone | 8oz - OMRI Listed - (Case of 12)
In stock
$20.71 $44.39 -53%
SugarDaddy, 1 L
In stock
$20.66 $33.99 -39%
MICROBE Life Hydroponics Photosynthesis Plus | 32oz - (Case of 12)
In stock
$20.62 $40.99 -50%
Key Grow Solutions Green Dragon 0-0-18 | 1gal - (Case of 4)
In stock
$20.41 $119.99 -83%
Key Grow Solutions Silver Rabbit 7-20-4 | 1gal - (Case of 4)
In stock
$20.41 $119.99 -83%
FoxFarm Bush Doctor Kelp Me Kelp You 0.5-0-0.5 | 32oz - Concentrate - OMRI Listed
In stock
$20.36 $34.99 -42%
Save 19%
FOOP Garden Organic Plant Fertilizer | 32oz - Concentrate - OMRI Listed - (Case of 12)
Out of stock
$20.25 $24.99 -19%
Optic Foliar Switch, 1 L
In stock
$20.12 $32.99 -39%
Save 18%
HYGROZYME Horticultural Horticulture Enzyme Formula | 500mL (16.9oz)
In stock
$20.09 $24.43 -18%
Dyna-Gro Pro-TeKt, 1 qt
In stock
$20.08 $25.50 -21%
FOOP 2-in-1 Clone Gel | 4oz - Rooting Gel + Cloning Gel in One - (Case of 12)
Out of stock
$19.99
Cutting Edge Solutions Sugaree, 1 qt
In stock
$19.95 $24.99 -20%
Down to Earth Kelp Meal 1-0.1-2 | 4lb - OMRI Listed
In stock
$19.79 $30.99 -36%
HDI Clonex Clone Solution | 32oz
In stock
$19.79 $26.68 -26%
Aptus Massboost, 250 ml
In stock
$19.78 $52.72 -62%
HEAVY 16 Finish, 32 oz
In stock
$19.68 $31.49 -38%
BioAG Ful-Humix | 300g - (Case of 12)
In stock
$19.56 $28.71 -32%
BioAG TM-7 | 300g - (Case of 12)
Out of stock
$19.56 $28.71 -32%
Gaia Green Greensand, 1.25 kg Pouch
In stock
$19.56 $26.49 -26%
Xtreme Gardening Mykos WP | 12oz - Wettable Powder - (Case of 12)
Out of stock
$19.55 $25.75 -24%
HDI Clonex Mist Root Promoter | 300mL - (Case of 6)
In stock
$19.52 $26.32 -26%
Save 15%
Coast of Maine Kelp Meal Organic Plant Food 1-0-1, 4 lbs
Out of stock
$19.50 $22.99 -15%
Save 7%
Coast of Maine Fish Bone Meal Organic Plant Food 5-13-0, 3 lbs
Out of stock
$19.45 $20.99 -7%
Save 7%
Coast of Maine Lobster Meal Organic Plant Food 6-2-0, 4 lbs
In stock
$19.45 $20.99 -7%
Coast of Maine Stonington Blend Organic Plant Food, 4 lb
In stock
$19.32 $26.99 -28%
General Hydroponics FloraKleen - 1gal
In stock
$19.21 $30.99 -38%
Botanicare Pure Blend Pro Bloom Formula 2-3-5 - 32oz
In stock
$19.21 $30.99 -38%
Xtreme Gardening Mykos Root Paks | 50ct - (Case of 6)
In stock
$19.19 $25.28 -24%
Mad Farmer Be One, 1 qt
In stock
$19.12 $31.49 -39%
Dyna-Gro Bloom, 1 qt
In stock
$19.09 $26.49 -28%
Dyna-Gro Foliage-Pro, 1 qt
In stock
$19.09 $26.49 -28%
Roots Organics Elemental | 3lb - (Case of 3)
In stock
$19.02 $23.99 -21%
Nutri-Cycle Primer
In stock
$19.00 $29.00 -34%
Nutri-Cycle Booster
In stock
$19.00 $29.00 -34%
Nutri-Cycle Bloomer
In stock
$19.00 $29.00 -34%
Nutri-Cycle Promoter
In stock
$19.00 $29.00 -34%
Wiggle Worm Soil Builder Pure Worm Castings Organic Fertilizer | 30lb - OMRI Listed
In stock
$18.99 $32.59 -42%
Grow More Mendocino Avalanche, 1 qt
In stock
$18.86 $27.43 -31%
Botanicare Pure Blend Pro Soil 1-4-5 - 32oz
In stock
$18.85 $30.37 -38%
Botanicare Pure Blend Pro Grow Formula 3-2-4 - 32oz
In stock
$18.85 $30.37 -38%
Save 14%
Miracle-Gro Performance Organics All Purpose Granules 9-2-7 | 2.5lb - Granules - OMRI Listed - (Case of 6)
In stock
$18.85 $21.89 -14%
House & Garden Multi Zen, 500 ml
In stock
$18.78 $27.29 -31%
Growth Science Organics Abundant-Sea, 1 qt
In stock
$18.75 $39.99 -53%
BioBizz Fish-Mix 1L
Out of stock
$18.75 $27.28 -31%
BioBizz Fish-Mix 1L CA & OR only
In stock
$18.75 $27.28 -31%
General Hydroponics Liquid KoolBloom 0-10-10 - 32oz
In stock
$18.74 $30.18 -38%
Roots Organics Ancient Amber, 1 qt
In stock
$18.70 $24.93 -25%
Roots Organics Buddha Grow, 1 qt
In stock
$18.70 $24.93 -25%
Roots Organics Buddha Bloom 1qt
In stock
$18.70 $24.93 -25%
FoxFarm Bush Doctor Cal-Mag, 1 qt
In stock
$18.58 $27.56 -33%
Aptus MINERAL-CALMAG, 1 L
In stock
$18.49 $29.00 -36%
HDI Clonex Rooting Gel | 100mL- Wide Mouth Bottle
In stock
$18.48 $24.90 -26%
Cutting Edge Solutions Bulletproof Si, 1 qt
In stock
$18.48 $25.99 -29%
MICROBE Life Hydroponics Nourish-L Liquid Fertilizer | 32oz - (Case of 12)
In stock
$18.42 $46.99 -61%
General Hydroponics ARMOR SI 0-0-4 - 32oz - CA Restriction
In stock
$18.36 $29.80 -38%
General Hydroponics ARMOR SI 0-0-4 | 32oz
In stock
$18.36 $29.80 -38%
FoxFarm Marine Cuisine Dry Fertilizer, 4 lbs
In stock
$18.34 $25.78 -29%
Technaflora Pura Vida Grow, 1 L
In stock
$18.32 $38.42 -52%
Roots Organics Surge, 1 qt
In stock
$18.28 $26.06 -30%
Humboldt Nutrients Verde, 1 qt
In stock
$18.26 $28.99 -37%
Happy Frog Soil Conditioner 1.5 cu ft
In stock
$18.25 $25.57 -29%
Save 17%
Roots Organics CalMag | 32oz - (Case of 12)
In stock
$18.21 $21.99 -17%
Roots Organics CalMag, 1 qt
In stock
$18.08 $28.90 -37%
House & Garden Bud-XL, 250 ml
In stock
$18.05 $26.24 -31%
FoxFarm Big Bloom Liquid Concentrate, 1 qt
In stock
$18.04 $25.30 -29%
Biobizz CAL-MAG 1L
In stock
$18.04 $28.86 -37%
Xtreme Azos Beneficial Bacteria, 2 oz
In stock
$18.01 $25.99 -31%
Down To Earth Palm Tree Mix 6-2-8 | 5lb - (Case of 6)
In stock
$17.99
Down To Earth Cactus Mix 2-4-8 | 5lb - (Case of 6)
In stock
$17.99
Technaflora B.C. Boost, 1 L
In stock
$17.96 $28.21 -36%
Roots Organics Elemental, 3 lbs
In stock
$17.89 $28.61 -37%
Gaia Green All Purpose, 2 kg Pouch
Out of stock
$17.86 $25.29 -29%
Optic Foliar Watts, 250 ml - (Case of 12)
In stock
$17.82 $40.99 -57%
Biobizz Bio-Bloom | 1 L
In stock
$17.74 $25.80 -31%
Biobizz Bio-Grow | 1 L
In stock
$17.74 $25.80 -31%
BioBizz Bio-Grow 1L CA & OR only
In stock
$17.74 $25.80 -31%
BioBizz Bio-Bloom 1L CA & OR only
In stock
$17.74 $25.80 -31%
House & Garden Drip Clean, 250 ml
In stock
$17.66 $25.70 -31%
Down to Earth Starter Mix 3-3-3 | 25lb - OMRI Listed
In stock
$17.64 $51.79 -66%
Down to Earth Soluble Root Growth Enhancer | 1lb - OMRI Listed - (Case of 6)
Out of stock
$17.55 $59.99 -71%
FoxFarm Happy Frog Soil Conditioner | 3cu ft - West Only | (35/PL)
In stock
$17.51 $23.99 -27%
General Hydroponics FloraNectar FruitnFusion 0-0-1 - 32oz
In stock
$17.49 $28.33 -38%
Royal Gold Crown Jewels Bloom 1-4-2, 5 lb
Out of stock
$17.49 $23.39 -25%
Royal Gold Crown Jewels Grow 3-2-2, 5 lb
Out of stock
$17.49 $23.39 -25%
Optic Foliar ATAK Concentrate, 1 L
In stock
$17.44 $42.99 -59%
FOOP Mist Organic Foliar Spray | 32oz - Ready-to-Use - OMRI Listed - (Case of 12)
Out of stock
$17.35 $24.99 -31%
Save 17%
Coop Poop All-Purpose Garden Food by Healthy Grow | 25lb - OMRI Listed
In stock
$17.35 $20.99 -17%
Optic Foliar Overgrow, 1 L RTU
In stock
$17.29 $24.99 -31%
DaKine 420 Atomic Root Powder | 500g - (Case of 4)
In stock
$17.22 $74.99 -77%
CYCO Platinum Series Dr. Repair 3-0-0 - 1L
In stock
$17.21 $27.36 -37%
Optic Foliar ATAK Concentrate, 4 L
In stock
$17.21 $94.99 -82%
Remo Nature's Candy, 1 L
In stock
$17.19 $26.99 -36%
FoxFarm Cultivation Nation Micro, 1 qt
Out of stock
$17.18 $23.98 -28%
Grotek Root Force 1-0-0 | 500mL - (Case of 6)
In stock
$17.16 $31.39 -45%
SUPERthrive Bloom Plant Nutrients 3-12-6 | 32oz - (Case of 12)
Out of stock
$17.15 $29.11 -41%
SUPERthrive Foliage-Pro Liquid Plant Food 9-3-6 | 32oz - (Case of 12)
In stock
$17.15 $29.11 -41%
SUPERthrive Grow Liquid Plant Food 7-9-5 | 32oz - (Case of 12)
In stock
$17.15 $29.11 -41%
MICROBE Life Hydroponics Vitamins & Amino Acids | 32oz - (Case of 12)
In stock
$17.15 $33.99 -50%
Show another 128 products
Product filters
Free Shipping
In Stock
Nutrient Material
Price
$
–
$
  • $1
  • $40500
Shop Owner
Brand
    Show all (92)