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Nutrients & Supplements

Soil Amendments
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128
Emerald Harvest Grow, 1 qt
In stock
$10.84 $14.00 -23%
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
$10.76 $13.99 -23%
FoxFarm Happy Frog Tomato & Vegetable Fertilizer 5-7-3 | 4lb - OMRI Listed
In stock
$10.72 $14.19 -24%
Neptune's Harvest Fish Fertilizer 2-4-1 | 18oz - Concentrate - OMRI Listed - (Case of 12)
In stock
$10.72 $13.99 -23%
FoxFarm Cultivation Nation pH Up Nutrient Solution Adjuster | 16oz - Raises the pH in Nutrient Solution
In stock
$10.68 $12.99 -18%
FoxFarm Cultivation Nation pH Down Nutrient Solution Adjuster | 16oz - Lowers the pH in Nutrient Solution
In stock
$10.68 $12.99 -18%
Sustane 8-2-4 Lawn & Landscape Plant Food | 5lb - OMRI Listed - (Case of 8)
Out of stock
$10.66 $15.60 -32%
FoxFarm Happy Frog Bone Meal 3-12-0 | 4lb - OMRI Listed - (Case of 12)
In stock
$10.55 $14.19 -26%
Down to Earth Solution Grade Langbeinite 0-0-22 | 5lb - OMRI Listed - (Case of 5)
In stock
$10.53 $24.49 -57%
Grotek Vitamax Pro 1-1-1 | 1L - (Case of 6)
In stock
$10.50 $25.39 -59%
Demeter's Destiny, 1 qt
In stock
$10.45 $22.99 -55%
Zeus Juice, 1 qt
In stock
$10.45 $22.99 -55%
Hades Down, 1 qt
In stock
$10.44 $22.99 -55%
Down to Earth Agmino Powder 14-0-0 | 1lb - (Case of 6)
In stock
$10.38 $23.79 -56%
MILLS BASIS B 1LTR
In stock
$10.32 $16.00 -36%
Down to Earth AZOMITE Slow Release Powder | 5lb - OMRI Listed - (Case of 6)
In stock
$10.14 $12.99 -22%
Grotek Final Flush, 1 L
In stock
$10.07 $14.06 -28%
Gaia Green Glacial Rock Dust, 2 kg Pouch
In stock
$10.06 $12.99 -23%
Down to Earth Fish Powder 12-1-1 | 1lb - (Case of 6)
Out of stock
$10.05 $20.99 -52%
Grotek Monster Bloom, 130 g
In stock
$10.04 $13.99 -28%
FoxFarm Cultivation Nation Grow 2-1-6 | 16oz
In stock
$10.01 $12.19 -18%
FoxFarm Cultivation Nation Bloom 0-5-4 | 16oz
In stock
$10.01 $12.19 -18%
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
SUPERthrive Root-Gel Rooting Gel | 2oz - (Case of 12)
In stock
$9.98 $16.61 -40%
Down to Earth Kelp Meal 1-0.1-2 | 5lb - OMRI Listed
Out of stock
$9.97 $37.49 -73%
Grotek Blossom Blaster Pro 1-4-0 | 1L - (Case of 6)
In stock
$9.89 $30.69 -68%
Remo Grow, 10 L
In stock
$9.87 $99.00 -90%
Down to Earth Garden Lime | 5lb - OMRI Listed - (Case of 6)
In stock
$9.69
Xtreme Gardening Mykos WP | 4oz - Wettable Powder - (Case of 12)
In stock
$9.66 $12.33 -22%
Grotek Insta-Green, 1 L
In stock
$9.66 $13.48 -28%
CYCO 1L Bloom B - (Case of 12)
In stock
$9.51 $13.19 -28%
CYCO Bloom A 1 L - (Case of 12)
In stock
$9.51 $13.19 -28%
CYCO 1L Grow B - (Case of 12)
In stock
$9.51 $13.19 -28%
CYCO 1L Grow A - (Case of 12)
In stock
$9.51 $13.19 -28%
Grotek Vital 5% Calcium | 500mL - (Case of 6)
In stock
$9.48 $25.58 -63%
Remo Magnifical, 1 L
In stock
$9.48 $22.99 -59%
Nectar for The Gods Herculean Harvest Liquid Bone Meal 0-6-0 | 32oz
In stock
$9.47 $12.99 -27%
Nectar for The Gods Triton's Trawl Fishbone Meal 0.5-4-0 | 32oz
Out of stock
$9.47 $12.99 -27%
HEAVY 16 Bud A, 32 oz
In stock
$9.47 $14.69 -36%
HEAVY 16 Bud B, 32 oz
In stock
$9.47 $14.69 -36%
HEAVY 16 Veg A, 32 oz
In stock
$9.47 $14.69 -36%
HEAVY 16 Veg B, 32 oz
In stock
$9.47 $14.69 -36%
True Organic All-Purpose Plant Food 5-4-5 | 4lb - Resealable Bag - Covers up to 87sq ft - OMRI Listed - (Case of 6)
In stock
$9.43 $12.99 -27%
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
$9.43 $12.99 -27%
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
$9.43 $12.99 -27%
True Organic Herb & Leafy Greens Food | 4lb - OMRI Listed - (Case of 6)
In stock
$9.43 $12.99 -27%
True Organic Berry Food 5-4-4 | 4lb - Resealable Bag - Use Monthly - Covers up to 58sq ft - OMRI Listed - (Case of 6)
In stock
$9.43 $12.99 -27%
True Organic Raised Bed Plant Food | 4lb - OMRI Listed - (Case of 6)
In stock
$9.43 $12.99 -27%
True Organic Rose & Flower Food | 4lb - OMRI Listed - (Case of 6)
In stock
$9.43 $12.99 -27%
General Hydroponics FloraGro 2-1-6 - 16oz
In stock
$9.29 $14.40 -35%
DaKine 420 Atomic Root Powder | 250g - (Case of 4)
In stock
$9.25 $38.99 -76%
DaKine 420 Shock & Awe Bloom Booster | 500g - (Case of 4)
In stock
$9.25 $38.99 -76%
General Hydroponics FloraBloom 0-5-4 - 16oz
In stock
$9.24 $14.31 -35%
Down to Earth Bio-Live 5-4-2 | 5lb - OMRI Listed - (Case of 6)
In stock
$9.21 $19.49 -53%
Grotek Solo-Tek Bloom 3-8-8 | 500mL - (Case of 6)
In stock
$9.17 $16.29 -44%
Grotek Rype 3-0-0 | 500mL - (Case of 6)
In stock
$9.17 $24.75 -63%
FoxFarm Open Sesame, 6 oz
In stock
$9.17 $27.02 -66%
Grotek Solo-Tek Bloom 3-8-8 | 1L - (Case of 6)
In stock
$9.12 $28.29 -68%
Grotek Solo-Tek Grow 6-3-7 | 1L - (Case of 6)
In stock
$9.12 $28.29 -68%
Coop Poop All-Purpose Garden Food by Healthy Grow | 6lb - OMRI Listed - (Case of 6)
Out of stock
$9.09 $11.79 -23%
Roots Organics SeaBird Guano | 3lb - Powder - (Case of 3)
Out of stock
$9.08 $10.99 -17%
General Hydroponics FloraKleen - 32oz
In stock
$9.03 $13.24 -32%
Emerald Harvest Grow | 32oz
In stock
$9.03 $14.00 -36%
Emerald Harvest Bloom | 32oz
In stock
$9.03 $14.00 -36%
Emerald Harvest Bloom, 1 qt
In stock
$9.03 $14.00 -36%
Plant Success Orca | 100mL
In stock
$8.99
Down to Earth Dolomite Lime | 5lb - OMRI Listed - (Case of 6)
In stock
$8.93 $10.99 -19%
Gaia Mania, 1 qt
Out of stock
$8.88 $19.49 -54%
HDI Clonex Mist Root Promoter | 100mL - (Case of 20)
In stock
$8.86 $11.56 -23%
Remo Nature's Candy, 1 L
In stock
$8.84 $26.99 -67%
Mother Earth Floressence Bloom Supplement 1-1-1 - 16oz
In stock
$8.81 $20.02 -56%
Grotek Gro-Silic, 4 L
In stock
$8.66 $232.99 -96%
FoxFarm Cultivation Nation Cal-Mag | 16oz
In stock
$8.63 $12.99 -34%
True Organic All-Purpose Plant Food 5-4-5 | 4.5lb - Shaker Jug - Covers up to 100sq ft - OMRI Listed - (Case of 6)
In stock
$8.63 $15.99 -46%
True Organic Tomato & Vegetable Food 4-5-6 | 4.5lb - Shaker Jug - Use Monthly - Covers up to 88sq ft - OMRI Listed - (Case of 6)
In stock
$8.63 $15.99 -46%
SUPERthrive K-L-N Rooting Concentrate | 8oz - (Case of 12)
In stock
$8.53 $13.99 -39%
Grotek Pro-Silicate, 1 L
In stock
$8.45 $15.71 -46%
Roots Organics Seabird Guano Powder, 3 lbs
In stock
$8.44 $12.94 -35%
Gaia Green Power Bloom, 500 g Pouch
In stock
$8.41 $10.98 -23%
Olivia's Cloning Solution | 32oz (1qt) - (Case of 24)
In stock
$8.35 $13.95 -40%
Aptus Massboost, 100 ml
In stock
$8.35 $26.50 -68%
Remo Bloom, 1 L
Out of stock
$8.15 $20.99 -61%
Remo Grow, 1 L
In stock
$8.08 $20.99 -62%
Sustane 4-6-4 Flower & Vegetable Plant Food | 5lb - OMRI Listed - (Case of 8)
In stock
$8.05 $11.79 -32%
Grotek Gro-Silic, 500 ml
In stock
$8.05 $51.99 -85%
True Organic Prilled Sulfur | 5lb - Resealable Bag - Lowers Soil pH - Covers up to 1,333sq ft - OMRI Listed - (Case of 6)
In stock
$7.95 $10.29 -23%
Medusa's Magic, 1 qt
In stock
$7.83 $17.49 -55%
Mega Morpheus, 1 qt
In stock
$7.83 $17.49 -55%
Pegasus Potion, 1 qt
In stock
$7.83 $17.49 -55%
FoxFarm Cultivation Nation Micro, 1 gal
Out of stock
$7.71 $54.85 -86%
FoxFarm Happy Frog All-Purpose Fertilizer, 4 lb bag
Out of stock
$7.69 $17.42 -56%
Grotek Micro Power 0-0-2 | 500mL - (Case of 6)
In stock
$7.65 $20.62 -63%
HDI Europonic FossilFuel Liquid Humic Acids | 32oz
In stock
$7.62 $21.99 -65%
Gaia Green All Purpose, 500 g Pouch
In stock
$7.52 $9.89 -24%
Grotek Cal-Max, 1 qt
In stock
$7.51 $13.96 -46%
Down to Earth Oyster Shell | 5lb - OMRI Listed - (Case of 6)
Out of stock
$7.30 $11.99 -39%
MYKE Vegetable & Herb Growth Enhancer | 1.8oz - OMRI Listed - (Pallet of 36)
In stock
$7.29 $11.29 -35%
SUPERthrive Bonsai-Pro Liquid Plant Food 7-9-5 | 8oz - (Case of 12)
In stock
$7.20 $12.47 -42%
SUPERthrive Orchid-Pro Liquid Plant Food 7-8-6 | 8oz - (Case of 12)
In stock
$7.20 $12.47 -42%
FoxFarm Big Bloom Liquid Concentrate, 1 pt
Out of stock
$7.19 $16.40 -56%
Grotek Bud Fuel Pro 1-3-4 | 500mL - (Case of 6)
In stock
$7.16 $22.29 -68%
Optic Foliar ATAK Concentrate, 250 ml
In stock
$7.16 $18.99 -62%
Sustane 3-5-3 Compost Tea Bag | 12ct - 21gm Packs - OMRI Listed - (Case of 10)
Out of stock
$7.15 $10.45 -32%
Grotek Monster Grow Pro, 130 g
In stock
$7.07 $13.15 -46%
SUPERthrive ZYME 100% Enzyme Cleaner | 8oz - (Case of 12)
In stock
$7.06 $15.99 -56%
Down to Earth Calcium 96 | 1lb - OMRI Listed - (Case of 6)
Out of stock
$6.99
SUPERthrive Bloom Plant Nutrients 3-12-6 | 8oz - (Case of 12)
In stock
$6.91 $11.99 -42%
SUPERthrive Foliage-Pro Liquid Plant Food 9-3-6 | 8oz - (Case of 12)
Out of stock
$6.91 $11.99 -42%
SUPERthrive Grow Liquid Plant Food 7-9-5 | 8oz - (Case of 12)
In stock
$6.91 $11.99 -42%
SUPERthrive Pro-TeKt Nutritional Supplement 0-0-3 | 8oz - The Silicon Solution - (Case of 12)
Out of stock
$6.91 $11.99 -42%
Mad Farmer Nutrient UpTake Solution (N.U.T.S.), 1 gal
In stock
$6.91 $53.55 -87%
DaKine 420 Nitro Nutrients Base | 500g - (Case of 4)
In stock
$6.88 $28.99 -76%
DaKine 420 Nitro Nutrients Bloom | 500g - (Case of 4)
In stock
$6.88 $28.99 -76%
DaKine 420 Bio Minerals | 500g - (Case of 4)
In stock
$6.88 $28.99 -76%
DaKine 420 CalMag | 500g - (Case of 4)
In stock
$6.88 $28.99 -76%
DaKine 420 Sticky Icky Enzymes | 100g - (Case of 20)
In stock
$6.88 $28.99 -76%
DaKine 420 Nitro Nutrients Grow | 500g - (Case of 4)
In stock
$6.88 $28.99 -76%
Grotek Final Flush Blueberry, 1 L
In stock
$6.85 $15.19 -55%
HDI Ionic Bloom for Soil Premium Plant Nutrient 2-2-5 | 32oz
In stock
$6.81 $21.34 -68%
Growth Science Nutrients Base A, 1 qt
In stock
$6.80 $17.99 -62%
Grotek Heavy Bud Pro 1-0-3 | 500mL - (Case of 6)
In stock
$6.76 $20.99 -68%
SUPERthrive Mag-Pro Nutritional Supplement 2-15-4 | 8oz - (Case of 12)
In stock
$6.75 $10.99 -39%
Wiggle Worm Soil Builder Pure Worm Castings Organic Fertilizer | 4.5lb - OMRI Listed - (Case of 12)
In stock
$6.70 $11.29 -41%
Wiggle Worm Soil Builder Pure Worm Castings Organic Fertilizer | 4.5lb - OMRI Listed - (Case of 10)
Out of stock
$6.70 $11.29 -41%
Elite Resin D, 32 oz - A Hydrofarm Exclusive!
In stock
$6.58 $72.59 -91%
Down to Earth Solution Grade Gypsum | 5lb - OMRI Listed - (Case of 5)
Out of stock
$6.57 $15.49 -58%
Plant Success Organics Granular 3-1-2 | 4oz - Granules - (Case of 12)
In stock
$6.46 $8.65 -25%
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