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Nutrients & Supplements

Soil Amendments
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128
Down to Earth All-Purpose Mix 4-6-2 | 50lb - OMRI Listed
In stock
$59.44 $83.89 -29%
Down to Earth Acid Mix 4-3-6 | 50lb - For Acid Soil Loving Plants
In stock
$59.44 $88.99 -33%
Botanicare Clearex Rinsing Solution - 2.5gal
In stock
$59.40 $95.87 -38%
Herculean Harvest, 2.5 gal
In stock
$59.40 $86.49 -31%
HDI Clonex Mist Root Promoter | 32oz - Concentrate - (Case of 6)
In stock
$59.35 $80.03 -26%
House & Garden Roots Excelurator Gold, 250 ml
In stock
$59.20 $86.10 -31%
Down To Earth Vegetable Garden 4-4-4 | 50lb - OMRI Listed
In stock
$59.15 $84.29 -30%
HEAVY 16 Bud A, 2.5 gal
In stock
$59.05 $104.99 -44%
HEAVY 16 Bud B, 2.5 gal
In stock
$59.05 $104.99 -44%
Save 4%
Sustane 8-2-4 All Natural Fertilizer | 50lb - OMRI Listed
In stock
$58.98 $61.33 -4%
General Hydroponics Diamond Nectar 0-1-1 - 2.5gal
In stock
$58.79 $137.65 -57%
Down to Earth Agmino Powder 14-0-0 | 5lb - (Case of 5)
In stock
$58.49 $95.29 -39%
BioBizz Starters Pack CA & OR only
In stock
$58.29 $105.99 -45%
Grotek Solo-Tek Bloom 3-8-8 | 10L - (Case of 2)
In stock
$58.20 $186.39 -69%
Grotek Solo-Tek Grow 6-3-7 | 10L - (Case of 2)
In stock
$58.20 $186.39 -69%
Biobizz CAL-MAG 5L
In stock
$58.06 $116.14 -50%
HDI MotherPlant Nutrients Part B | 5gal
In stock
$57.75 $177.83 -68%
Cutting Edge Solutions Micro, 2.5 gal
In stock
$57.41 $89.99 -36%
Cutting Edge Solutions Sugaree, 1 gal
In stock
$57.29 $74.99 -24%
Cutting Edge Solutions Sour-Dee, 1 gal
In stock
$57.29 $74.99 -24%
Nectar for The Gods Herculean Harvest Liquid Bone Meal 0-6-0 | 2.5gal - (Case of 2)
In stock
$57.24 $79.99 -28%
Nectar for The Gods Triton's Trawl Fishbone Meal 0.5-4-0 | 2.5gal
Out of stock
$57.24 $79.99 -28%
Botanicare Liquid Karma 0.1-0.1-0.5 - 1gal
In stock
$57.10 $92.24 -38%
Roots Organics Surge, 1 gal
In stock
$56.92 $82.78 -31%
General Hydroponics FloraBloom 0-5-4 - 2.5gal
In stock
$56.84 $92.47 -39%
General Hydroponics FloraGro 2-1-6 - 2.5gal
In stock
$56.84 $92.47 -39%
Down to Earth Cottonseed Meal 6-2-1 | 50lb - All Purpose
In stock
$56.38 $84.99 -34%
Humboldt Roots, 250 ml
In stock
$56.38 $81.99 -31%
Plant Success Great White Premium Mycorrhizae | 8oz
In stock
$56.08 $77.51 -28%
Roots Organics Trinity | 1gal - (Case of 4)
In stock
$55.40 $68.99 -20%
Grotek Synergy | 140g
In stock
$55.39
Grow More Mendo Soluble 30-10-10, 25 lbs
In stock
$55.35 $73.99 -25%
FoxFarm Open Sesame Soluble Fertilizer 5-45-19 | 2lb Jar
In stock
$55.26 $97.99 -44%
Emerald Harvest Bloom, 2.5 gal - (Case of 2)
In stock
$55.01 $80.00 -31%
Emerald Harvest Grow, 2.5 gal - (Case of 2)
In stock
$55.01 $80.00 -31%
MILLS C4 1 LTR
In stock
$55.00 $80.00 -31%
MILLS ULTIMATE PK 1LTR
In stock
$55.00 $80.00 -31%
Orca Premium Liquid Mycorrhizae, 1 qt
In stock
$54.94 $70.98 -23%
DaKine 420 Foliar Science | 5,000g
In stock
$54.90 $238.99 -77%
BioAg Bio-SuperSil Soluble Silicon | 1gal- 0.5% Nanostructured Silicon - (Case of 4)
Out of stock
$54.74 $80.39 -32%
Big Foot Root Boost Nitrogen-Fixing Azospirillum | 32oz
In stock
$54.56
Optic Foliar Overgrow, 4 L RTU
In stock
$54.51 $79.99 -32%
General Hydroponics Liquid KoolBloom 0-10-10 - 1gal
In stock
$54.50 $87.92 -38%
Nectar for The Gods Pegasus Potion Feather Tea 1-2-0 | 2.5gal - (Case of 2)
In stock
$54.38 $96.99 -44%
Royal Gold Crown Jewels Bloom 1-4-2 | 20lb - (Case of 2)
In stock
$54.31 $94.99 -43%
Rhizoflora Terpinator 0-0-4 - 1gal
In stock
$54.12 $73.22 -26%
FoxFarm Cultivation Nation Grow 2-1-6 | 5gal
In stock
$54.10 $191.90 -72%
FoxFarm Cultivation Nation Bloom 0-5-4 | 5gal
In stock
$54.10 $199.99 -73%
Primordial Solutions True Blooms, 32 oz
In stock
$54.05 $95.75 -44%
Down to Earth Citrus Mix 6-3-3 | 50lb - OMRI Listed
In stock
$53.61 $99.99 -46%
FoxFarm Bush Doctor 0.5% Manganese Micro-Nutrient 1-0-0 | 1gal - OMRI Listed - (Case of 4)
In stock
$53.59 $187.89 -71%
FoxFarm Bush Doctor Liquid Iron Micro-Nutrient 1-0-0 | 1gal - OMRI Listed - (Case of 4)
In stock
$53.59 $178.69 -70%
Emerald Harvest Hydra Clear, 1 qt
In stock
$53.30 $77.50 -31%
Down to Earth Crab Meal 4-3-0 | 40lb - OMRI Listed
In stock
$53.24 $81.99 -35%
Grow More Mendocino Honey, 2.5 gal
In stock
$53.14 $76.99 -31%
House & Garden Amino Treatment, 250 ml
In stock
$53.01 $77.11 -31%
House & Garden Shooting Powder Sachet (pack of 5
In stock
$53.01 $77.11 -31%
HDI Clonex Clone Solution | 1gal
In stock
$52.75 $71.13 -26%
Gaia Green Greensand, 10 kg U.S. (NA02)
In stock
$52.50 $69.99 -25%
Roots Organics Surge | 1gal
In stock
$52.25 $64.99 -20%
General Organics BioThrive Grow 4-3-3 | 1gal
In stock
$52.22 $84.32 -38%
Save 4%
Dip N Grow Rooting Hormone | 1pt
In stock
$52.15 $54.24 -4%
Botanicare Silica Blast 0-0-0.5 - 2.5gal
In stock
$52.10 $122.37 -57%
Emerald Harvest Sturdy Stalk | 1gal
In stock
$52.05 $122.00 -57%
Poseidonzime, 1 gal
In stock
$51.98 $75.99 -32%
Zeus Juice, 1 gal
In stock
$51.98 $75.99 -32%
Grotek Blossom Blaster Pro Liquid, 4 L
In stock
$51.68 $99.21 -48%
CYCO Platinum Series Dr. Repair 3-0-0 - 5L
In stock
$51.58 $83.12 -38%
MILLS BASIS A 10LTR
In stock
$51.56 $75.00 -31%
MILLS BASIS B 10LTR
In stock
$51.56 $75.00 -31%
House & Garden Top Shooter, 250 ml
In stock
$51.54 $74.97 -31%
Down to Earth Blood Meal 12-0-0 | 20lb - OMRI Listed
In stock
$51.51 $77.99 -34%
FoxFarm Cultivation Nation Veggie 24-14-11 | 15lb - Step 1 for 2-Part Feeding Programs
In stock
$51.48 $162.39 -68%
Roots Organics Buddha Bloom, 1 gal
In stock
$51.46 $74.83 -31%
Roots Organics Buddha Grow, 1 gal
In stock
$51.46 $74.83 -31%
Roots Organics Buddha Bloom 1gal
In stock
$51.46 $74.83 -31%
Roots Organics Buddha Grow 1gal
In stock
$51.46 $74.83 -31%
Plant Success Orca | 32oz
In stock
$51.36 $70.98 -28%
Remo Nature's Candy, 4 L
In stock
$50.89 $73.99 -31%
SUPERthrive Bloom Plant Nutrients 3-12-6 | 1gal - (Case of 4)
In stock
$50.85 $84.63 -40%
SUPERthrive Foliage-Pro Liquid Plant Food 9-3-6 | 1gal - (Case of 4)
In stock
$50.85 $84.63 -40%
SUPERthrive Grow Liquid Plant Food 7-9-5 | 1gal - (Case of 4)
In stock
$50.85 $84.63 -40%
Roots Organics Seabird Guano Powder, 40 lbs
In stock
$50.62 $80.99 -37%
Save 4%
PRO-MIX LP15 | 3.8cu ft - Compressed (Pallet of 30)
Out of stock
$50.60 $52.62 -4%
Xtreme Mykos Pure Mycorrhizal Inoculum, Wettable Powder, 2.2 lbs
In stock
$50.58 $72.99 -31%
Nectar for The Gods Hades Down 0-1-0 | 1gal - (Case of 4)
In stock
$50.39 $69.99 -28%
Nectar for The Gods Zeus Juice Growth Enhancer | 1gal - (Case of 4)
In stock
$50.39 $69.99 -28%
Neptune's Harvest Turf Formula 2-0-2 | 142oz - (Case of 4)
Out of stock
$50.06 $67.99 -26%
MICROBE Life Hydroponics Nourish-L Liquid Fertilizer | 2.5gal - (Case of 2)
In stock
$50.01 $213.99 -77%
Emerald Harvest Bloom | 2.5gal
Out of stock
$50.00 $80.00 -38%
Vegamatrix Amp-It, 5 gal
In stock
$50.00 $449.99 -89%
FOOP CANNA Veg 1 Organic Nutrients 0-0-1 | 1gal - CDFA and OMRI Listed - (Case of 3)
Out of stock
$49.99
FOOP CANNA Veg 2 Organic Nutrients 0-0-1 | 1gal - CDFA and OMRI Listed - (Case of 3)
Out of stock
$49.99
Grow More Water Soluble 30-10-10, 25 lbs
In stock
$49.92 $66.99 -25%
HEAVY 16 Finish, 1 gal
In stock
$49.86 $78.74 -37%
SUPERthrive Mag-Pro Nutritional Supplement 2-15-4 | 1gal - (Case of 4)
Out of stock
$49.80 $81.55 -39%
Cutting Edge Solutions Grow, 2.5 gal
In stock
$49.66 $69.99 -29%
Cutting Edge Solutions Bloom, 2.5 gal
In stock
$49.66 $71.99 -31%
Optic Foliar Transport, 500 ml
In stock
$49.64 $72.99 -32%
Aptus Breakout Powder, (5-Pack)
In stock
$49.62 $72.19 -31%
Botanicare Rhizo Blast 1.15-0.5-1.15 | 1000mL
In stock
$49.58 $129.50 -62%
Down to Earth Bio-Live 5-4-2 | 25lb - OMRI Listed
In stock
$49.52 $74.99 -34%
Technaflora MagiCal, 4 L
In stock
$49.15 $74.99 -34%
Roots Organics HPK 0-4-3, 1 gal
In stock
$49.06 $71.42 -31%
Roots Organics Elemental, 9 lbs
In stock
$49.00 $71.27 -31%
BioAG Cytoplus | 2.2lb - (Case of 4)
Out of stock
$48.89 $71.78 -32%
BioAG VAM Endo-Mix | 2.2lb - (Case of 4)
Out of stock
$48.89 $71.78 -32%
Save 19%
Dyna-Gro Pro-TeKt, 1 gal
In stock
$48.74 $59.99 -19%
CYCO 20L Grow B (32/PL)
In stock
$48.54 $113.36 -57%
CYCO 20L Grow A (32/PL)
In stock
$48.54 $113.36 -57%
BioBizz Fish-Mix 5L
In stock
$48.38 $96.76 -50%
BioBizz Fish-Mix 5L CA & OR only
Out of stock
$48.38 $96.76 -50%
Emerald Harvest pH Up | 1gal
In stock
$48.12 $77.00 -38%
Emerald Harvest pH Down | 1gal
In stock
$48.12 $77.00 -38%
Emerald Harvest Cal-Mag, 1 gal
In stock
$48.12 $70.00 -31%
Grow More Mendocino Avalanche, 1 gal
In stock
$48.12 $69.99 -31%
Plant Success Organics Soluble 0.5-0.1-7 | 1lb
In stock
$48.06 $66.43 -28%
General Hydroponics FloraNectar FruitnFusion 0-0-1 - 1gal
In stock
$47.96 $77.54 -38%
General Organics CaMg+ Calcium Magnesium Supplement - 1gal
In stock
$47.68 $76.91 -38%
Aphrodite's Extraction, 1 gal
In stock
$47.52 $69.49 -32%
Demeter's Destiny, 1 gal
In stock
$47.52 $69.49 -32%
Save 19%
Roots Organics Buddha Bloom | 1gal - (Case of 4)
In stock
$47.49 $58.99 -19%
Save 19%
Roots Organics Buddha Grow | 1gal - (Case of 4)
In stock
$47.49 $58.99 -19%
Save 18%
Roots Organics Elemental | 9lb - (Case of 3)
In stock
$47.49 $57.99 -18%
Microbe Life Hydroponics Terps Plus, 32 oz
In stock
$47.26 $62.99 -25%
Save 17%
Roots Organics Bio Force, 1 lb
In stock
$47.21 $57.22 -17%
Mad Farmer Mother Of All Bloom, 1 kg
In stock
$47.12 $91.02 -48%
Rock Resinator Heavy Yields, 1 L
In stock
$46.96 $69.99 -33%
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