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Nutrients & Supplements

Soil Amendments
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128
Humboldt Roots, 250 ml
In stock
$62.24 $81.99 -24%
Plant Success Great White Premium Mycorrhizae | 8oz
In stock
$61.91 $77.51 -20%
Save 17%
Grow More Mendo Soluble 30-10-10, 25 lbs
In stock
$61.11 $73.99 -17%
Emerald Harvest Bloom, 2.5 gal
In stock
$60.73 $80.00 -24%
Emerald Harvest Grow, 2.5 gal
In stock
$60.73 $80.00 -24%
Save 15%
Orca Premium Liquid Mycorrhizae, 1 qt
In stock
$60.65 $70.98 -15%
Grotek Vitamax Pro 1-1-1 | 4L
In stock
$60.47 $85.79 -30%
Save 2%
Suståne 8-2-4 All Natural Fertilizer | 50lb - OMRI Listed
In stock
$60.39 $61.33 -2%
Optic Foliar OVERGROW, 4 L RTU
In stock
$60.18 $79.99 -25%
General Hydroponics Liquid KoolBloom 0-10-10 - 1gal
In stock
$60.17 $87.92 -32%
Botanicare Vitamino 1-0-0 - 1gal
In stock
$60.06 $87.73 -32%
Nectar for The Gods Pegasus Potion Feather Tea 1-2-0 | 2.5gal
In stock
$60.03 $96.99 -38%
Save 18%
Rhizoflora Terpinator 0-0-4 - 1gal
In stock
$59.75 $73.22 -18%
FoxFarm Cultivation Nation Grow 2-1-6 | 5gal - Step 1 for 3-Part Feeding Programs
In stock
$59.73 $191.90 -69%
FoxFarm Cultivation Nation Bloom 0-5-4 | 5gal - Step 3 for 3-Part Feeding Programs
In stock
$59.73 $199.99 -70%
Primordial Solutions True Blooms, 32 oz
In stock
$59.67 $95.75 -38%
FoxFarm Bush Doctor 0.5% Manganese Micro-Nutrient 1-0-0 | 1gal - OMRI Listed
In stock
$59.16 $187.89 -69%
FoxFarm Bush Doctor Liquid Iron Micro-Nutrient 1-0-0 | 1gal - OMRI Listed
In stock
$59.16 $178.69 -67%
House & Garden Aqua Flakes A, 10 L
In stock
$59.16 $77.99 -24%
House & Garden Soil A, 10 L
In stock
$59.16 $77.99 -24%
House & Garden Soil B, 10 L
In stock
$59.16 $77.99 -24%
Save 15%
Roots Organics Trinity | 1gal
In stock
$58.95 $68.99 -15%
Emerald Harvest Hydra Clear, 1 qt
In stock
$58.84 $77.50 -24%
Down to Earth Crab Meal 4-3-0 | 40lb - OMRI Listed
In stock
$58.77 $81.99 -28%
Grow More Mendocino Honey, 2.5 gal
In stock
$58.66 $76.99 -24%
House & Garden Amino Treatment, 250 ml
In stock
$58.53 $77.11 -24%
House & Garden Shooting Powder Sachet (5 sachets per box)
In stock
$58.53 $77.11 -24%
Save 18%
HDI Clonex Clone Solution | 1gal
In stock
$58.24 $71.13 -18%
DaKine 420 Nitro Nutrients Base | 2,000g
Out of stock
$58.06 $108.99 -47%
DaKine 420 Nitro Nutrients Bloom | 2,000g
Out of stock
$58.06 $108.99 -47%
DaKine 420 Nitro Nutrients Grow | 2,000g
Out of stock
$58.06 $108.99 -47%
Save 17%
Gaia Green Greensand, 10 kg U.S. (NA02)
In stock
$57.96 $69.99 -17%
General Organics BioThrive Grow 4-3-3 | 1gal
In stock
$57.66 $84.32 -32%
Hades Down, 1 gal
In stock
$57.38 $75.99 -24%
Poseidonzime, 1 gal
In stock
$57.38 $75.99 -24%
Zeus Juice, 1 gal
In stock
$57.38 $75.99 -24%
Royal Gold Crown Jewels Bloom 1-4-2 | 20lb
In stock
$57.24 $94.99 -40%
Grotek Blossom Blaster Pro Liquid, 4 L
In stock
$57.05 $99.21 -42%
CYCO Platinum Series Dr. Repair 3-0-0 - 5L
In stock
$56.94 $83.12 -31%
BioAG Cytoplus | 2.2lb
Out of stock
$56.91 $74.99 -24%
Grotek Blossom Blaster Pro 1-4-0 | 4L
In stock
$56.90 $104.29 -45%
Down to Earth Blood Meal 12-0-0 | 20lb - OMRI Listed
In stock
$56.87 $77.99 -27%
FoxFarm Cultivation Nation Veggie 24-14-11 | 15lb - Step 1 for 2-Part Feeding Programs
In stock
$56.83 $162.39 -65%
Roots Organics Buddha Bloom, 1 gal
In stock
$56.81 $74.83 -24%
Roots Organics Buddha Grow, 1 gal
In stock
$56.81 $74.83 -24%
Plant Success Orca | 32oz
In stock
$56.70 $70.98 -20%
General Hydroponics Floralicious Plus 2-0.8-0.5 - 32oz
In stock
$56.61 $91.89 -38%
Grotek Bud Fuel Pro 1-3-4 | 4L
In stock
$56.35 $103.29 -45%
Key Grow Solutions Green Dragon 0-0-18 | 1gal
In stock
$56.33 $119.99 -53%
Key Grow Solutions Silver Rabbit 7-20-4 | 1gal
In stock
$56.33 $119.99 -53%
Remo Nature's Candy, 4 L
In stock
$56.18 $73.99 -24%
SUPERthrive Bloom Plant Nutrients 3-12-6 | 1gal
In stock
$56.14 $84.63 -34%
SUPERthrive Foliage-Pro Liquid Plant Food 9-3-6 | 1gal
In stock
$56.14 $84.63 -34%
SUPERthrive Grow Liquid Plant Food 7-9-5 | 1gal
In stock
$56.14 $84.63 -34%
Roots Organics Seabird Guano Powder, 40 lbs
In stock
$55.89 $80.99 -31%
Xtreme Mykos Pure Mycorrhizal Inoculum, Wettable Powder, 2.2 lbs
In stock
$55.83 $72.99 -24%
Nectar for The Gods Hades Down 0-1-0 | 1gal
In stock
$55.63 $69.99 -21%
Nectar for The Gods Zeus Juice Growth Enhancer | 1gal
In stock
$55.63 $69.99 -21%
Save 14%
Roots Organics Surge | 1gal
In stock
$55.59 $64.99 -14%
Grotek Synergy | 140g
In stock
$55.39
Save 19%
Neptune's Harvest Turf Formula 2-0-2 | 142oz
Out of stock
$55.27 $67.99 -19%
MICROBE Life Hydroponics Nourish-L Liquid Fertilizer | 2.5gal
In stock
$55.21 $213.99 -74%
Emerald Harvest Grow | 2.5gal
In stock
$55.20 $80.00 -31%
Emerald Harvest Bloom | 2.5gal
Out of stock
$55.20 $80.00 -31%
Grotek Gro-Silic, 4 L
In stock
$55.20 $232.99 -76%
Vegamatrix Amp-It, 5 gal
In stock
$55.20 $449.99 -88%
Save 18%
Grow More Water Soluble 30-10-10, 25 lbs
In stock
$55.12 $66.99 -18%
HEAVY 16 Finish, 1 gal
In stock
$55.05 $78.74 -30%
SUPERthrive Mag-Pro Nutritional Supplement 2-15-4 | 1gal
Out of stock
$54.98 $81.55 -33%
Cutting Edge Solutions Grow, 2.5 gal
In stock
$54.83 $69.99 -22%
Cutting Edge Solutions Bloom, 2.5 gal
In stock
$54.83 $71.99 -24%
Optic Foliar TRANSPORT, 500 ml
In stock
$54.80 $72.99 -25%
Aptus Breakout Powder, (5-Pack)
In stock
$54.79 $72.19 -24%
Down to Earth Bio-Live 5-4-2 | 25lb - OMRI Listed
In stock
$54.68 $74.99 -27%
Technaflora MagiCal, 4 L
In stock
$54.26 $74.99 -28%
Roots Organics HPK 0-4-3, 1 gal
In stock
$54.16 $71.42 -24%
Roots Organics Elemental, 9 lbs
In stock
$54.10 $71.27 -24%
Save 2%
Dip N Grow Rooting Hormone | 1pt
In stock
$53.40 $54.24 -2%
Emerald Harvest pH Up | 1gal
In stock
$53.13 $77.00 -31%
Emerald Harvest pH Down | 1gal
In stock
$53.13 $77.00 -31%
Emerald Harvest Cal-Mag, 1 gal
In stock
$53.13 $70.00 -24%
Grow More Mendocino Avalanche, 1 gal
In stock
$53.13 $69.99 -24%
Plant Success Organics Soluble 0.5-0.1-7 | 1lb
In stock
$53.06 $66.43 -20%
Save 17%
Nectar for the Gods One Shot Granules, 25 lb
Out of stock
$52.98 $63.99 -17%
General Hydroponics FloraNectar FruitnFusion 0-0-1 - 1gal
In stock
$52.95 $77.54 -32%
DaKine 420 Bio Minerals | 2,000g
In stock
$52.72 $98.99 -47%
DaKine 420 CalMag | 2,000g
Out of stock
$52.72 $98.99 -47%
DaKine 420 Sticky Icky Enzymes | 500g
In stock
$52.72 $98.99 -47%
General Organics CaMg+ Calcium Magnesium Supplement - 1gal
In stock
$52.63 $76.91 -32%
Aphrodite's Extraction, 1 gal
In stock
$52.47 $69.49 -24%
Demeter's Destiny, 1 gal
In stock
$52.47 $69.49 -24%
Save 17%
Microbe Life Hydroponics Terps Plus, 32 oz
In stock
$52.18 $62.99 -17%
Mad Farmer Mother Of All Bloom, 1 kg
In stock
$52.03 $91.02 -43%
Save 14%
Dyna-Gro Pro-TeKt, 1 gal
In stock
$51.86 $59.99 -14%
Rock Resinator Heavy Yields, 1 L
In stock
$51.85 $69.99 -26%
Save 2%
PRO-MIX LP15 | 3.8cu ft - Compressed (30/PL)
Out of stock
$51.81 $52.62 -2%
General Hydroponics FloraKleen - 2.5gal
In stock
$51.68 $75.70 -32%
Roots Organics HP2 0-4-0, 1 gal
In stock
$51.61 $68.03 -24%
Save 17%
Cutting Edge Solutions Cal-Mag Amplified, 1 gal
In stock
$51.56 $61.99 -17%
Botanicare Pure Blend Pro Bloom Formula 2-3-5 - 1gal
In stock
$51.47 $75.27 -32%
Save 16%
Xtreme Gardening Mykos WP | 2.2lb - Wettable Powder
In stock
$51.14 $61.03 -16%
Soul Amino-Aide, 1 qt
In stock
$51.12 $67.32 -24%
Soul Big Swell, 1 qt
In stock
$51.12 $67.32 -24%
Roots Organics Oregonism XL, 1 lb
In stock
$50.83 $66.95 -24%
Nectar for The Gods Aphrodite's Extraction Carbon 0-1-0 | 1gal
In stock
$50.55 $64.99 -22%
Nectar for The Gods Demeter's Destiny Liquid Calcium 0-0.5-0 | 1gal
In stock
$50.55 $64.99 -22%
Save 14%
Roots Organics Buddha Bloom | 1gal
In stock
$50.53 $58.99 -14%
Save 14%
Roots Organics Buddha Grow | 1gal
In stock
$50.53 $58.99 -14%
Save 13%
Roots Organics Elemental | 9lb
In stock
$50.53 $57.99 -13%
Botanicare Pure Blend Pro Soil 1-4-5 - 1gal
In stock
$50.45 $73.79 -32%
Botanicare Pure Blend Pro Grow Formula 3-2-4 - 1gal
In stock
$50.45 $73.79 -32%
Save 12%
Roots Organics Bio Force, 1 lb
In stock
$50.23 $57.22 -12%
Save 15%
Grotek Precision Micro, 10 L
In stock
$50.07 $58.99 -15%
FOOP CANNA Veg 1 Organic Nutrients 0-0-1 | 1gal - CDFA and OMRI Listed
Out of stock
$49.99
FOOP CANNA Veg 2 Organic Nutrients 0-0-1 | 1gal - CDFA and OMRI Listed
Out of stock
$49.99
General Hydroponics ARMOR SI 0-0-4 - 1gal - CA Restriction
Out of stock
$49.72 $72.83 -32%
General Hydroponics ARMOR SI 0-0-4 | 1gal
In stock
$49.72 $72.83 -32%
General Organics BioThrive Bloom 2-4-4 | 1gal
In stock
$49.69 $72.67 -32%
Down to Earth Fish Powder 12-1-1 | 5lb
In stock
$49.45 $67.39 -27%
HEAVY 16 Prime, 32 oz
In stock
$48.89 $70.87 -31%
House & Garden Bud-XL, 1 L
In stock
$48.77 $64.26 -24%
House & Garden Nitrogen Boost, 1 L
In stock
$48.77 $64.26 -24%
Save 19%
House & Garden Commercial Bloom, 5 lbs Pouch
In stock
$48.64 $60.00 -19%
Save 19%
House & Garden Commercial Grow, 5 lbs Pouch
In stock
$48.64 $60.00 -19%
Technaflora Thrive Alive B1 Green, 1 L
In stock
$48.52 $64.99 -25%
Emerald Harvest Cal-Mag | 1gal
In stock
$48.30 $70.00 -31%
Save 14%
Roots Organics HPK | 1gal
In stock
$48.28 $55.99 -14%
Save 12%
Grotek Synergy, 140 grams
In stock
$48.27 $54.99 -12%
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