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Nutrients & Supplements

Soil Amendments
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128
Xtreme Gardening Azos Root Booster | 20lb
In stock
$629.52 $829.54 -24%
Xtreme Azos Beneficial Bacteria, 20 lbs
In stock
$625.32 $999.99 -37%
Grotek Blossom Blaster, 2.5 kg
In stock
$622.21 $895.99 -31%
Cutting Edge Solutions Plant Amp, 15 gal
In stock
$613.25 $972.99 -37%
Cutting Edge Solutions Uncle John's Blend, 15 gal
In stock
$613.25 $972.99 -37%
Cutting Edge Solutions Uncle John's Blend, 15 gal (OREGON ONLY)
In stock
$613.25 $972.99 -37%
Biobizz Bio-Heaven | 20 L
In stock
$612.96 $1,225.94 -50%
BioBizz Bio-Heaven 20L CA & OR only
Out of stock
$612.96 $1,225.94 -50%
General Hydroponics Floralicious Plus 2-0.8-0.5 - 6gal
In stock
$609.99 $1,112.23 -45%
Cutting Edge Solutions Mag-Amped, 15 gal
In stock
$602.11 $972.99 -38%
Emerald Harvest Root Wizard | 6gal
Out of stock
$593.75 $950.00 -38%
Emerald Harvest Root Wizard | 6gal (FL, MN, NC, OK)
Out of stock
$593.75 $950.00 -38%
Emerald Harvest Root Wizard | 6gal (OR)
Out of stock
$593.75 $950.00 -38%
Emerald Harvest Root Wizard, 6 gal
In stock
$593.75 $950.00 -38%
Emerald Harvest Root Wizard, 6 gal (FL, MN, NC, OK)
In stock
$593.75 $950.00 -38%
Emerald Harvest Root Wizard, 6 gal (OR)
In stock
$593.75 $950.00 -38%
Cutting Edge Solutions Bulletproof Si, 15 gal
In stock
$581.61 $822.99 -29%
Cutting Edge Solutions Sugaree, 15 gal
In stock
$570.42 $859.99 -34%
Soul Amino-Aide, 5 gal
In stock
$555.52 $888.83 -37%
Soul Big Swell, 5 gal
In stock
$555.52 $888.83 -37%
HEAVY 16 Finish, 15 gal
In stock
$551.24 $881.99 -38%
SUPERthrive Pure Neem Oil Organic Leaf Polish | 5gal
In stock
$550.20 $919.99 -40%
CYCO Platinum Series Zyme 0.01-0.3-0.2 - 20L - (OK)
In stock
$546.17
Aptus Massboost, 5 L
In stock
$538.46 $820.50 -34%
BioAG Cytoplus | 50lb
Out of stock
$537.62 $676.76 -21%
Save 7%
Aptus Liquid Base, 20 L
In stock
$535.58 $579.00 -7%
Roots Organics Rain, 5 gal
In stock
$530.86 $849.36 -37%
Grotek Monster Grow Pro, 10 kg
In stock
$519.74 $692.99 -25%
Grotek Monster Bloom, 10 kg
In stock
$519.44 $747.99 -31%
Save 18%
HYGROZYME Horticultural Horticulture Enzyme Formula | 20L (5.28gal)
In stock
$516.80 $628.77 -18%
Optic Foliar Transport, 10 L
In stock
$515.69 $749.99 -31%
Hygrozyme Horticultural Enzyme Formula, 20 L
In stock
$515.02 $685.99 -25%
GH General Organics BioBud 0.5-0.1-1 - 6 gal
In stock
$512.65 $1,115.81 -54%
Save 12%
Emerald Harvest pH Up | 15gal
Out of stock
$512.50 $585.71 -12%
Save 12%
Emerald Harvest pH Down | 15gal
Out of stock
$512.50 $585.71 -12%
Save 12%
Emerald Harvest pH Down, 15 gal
Out of stock
$512.50 $585.71 -12%
Save 12%
Emerald Harvest pH Up, 15 gal
Out of stock
$512.50 $585.71 -12%
MILLS START 20 LTR
In stock
$512.50 $820.00 -38%
House & Garden Bud-XL, 20 L
In stock
$511.88 $819.00 -37%
Humboldt Roots, 1 gal
In stock
$511.86 $818.99 -38%
Emerald Harvest Emerald Goddess 2-1-4 | 6gal
In stock
$500.00 $800.00 -38%
Emerald Harvest King Kola 0.3-2-3 | 6gal
In stock
$500.00 $800.00 -38%
Emerald Harvest King Kola 0.3-2-3 | 6gal (FL, NM, PA)
Out of stock
$500.00 $800.00 -38%
Emerald Harvest Honey Chome 0.5-0.5-1 | 6gal
In stock
$500.00 $800.00 -38%
Emerald Harvest Emerald Goddess, 6 gal
In stock
$500.00 $800.00 -38%
Emerald Harvest Honey Chome, 6 gal
In stock
$500.00 $800.00 -38%
Emerald Harvest King Kola, 6 gal
In stock
$500.00 $800.00 -38%
Emerald Harvest King Kola, 6 gal (FL/NM/PA)
Out of stock
$500.00 $800.00 -38%
Rock Resinator Heavy Yields, 20 L
In stock
$488.56 $799.99 -39%
Save 13%
SUPERthrive, 2.5 gal
In stock
$487.80 $558.29 -13%
House & Garden 1-Component, 200 L
In stock
$484.59 $2,205.00 -78%
Biobizz Root-Juice 20L
In stock
$478.95 $957.90 -50%
BioBizz Root-Juice 20L CA & OR only
In stock
$478.95 $957.90 -50%
B'Cuzz Blossom Builder | 5L
In stock
$477.69 $763.99 -37%
Grotek Monster Bloom 0-50-30 | 5kg
In stock
$459.99
HEAVY 16 Foliar, 6 gal
In stock
$459.36 $734.99 -38%
Emerald Harvest Hydra Clear, 2.5 gal - (Case of 2)
Out of stock
$452.81 $690.00 -34%
Grotek Vitamax Plus 1-1-2 | 23L
In stock
$449.99
South Cascade Organics SLF-100, 5 gal
In stock
$443.74 $591.99 -25%
Aptus Ecozen, 5 L
In stock
$442.25 $673.91 -34%
Big Foot Mycorrhizae Gold | 5lb
In stock
$441.80
BioAG TM-7 | 50lb
Out of stock
$439.89 $553.71 -21%
Cutting Edge Solutions Cal-Mag Amplified, 15 gal
In stock
$433.39 $633.99 -32%
HEAVY 16 Fire, 2.5 gal
In stock
$426.55 $682.49 -38%
HEAVY 16 Fire, 2.5 gal (OR Only)
In stock
$426.55 $682.49 -38%
HEAVY 16 Roots, 2.5 gal
In stock
$426.55 $682.49 -38%
Snow Storm Ultra, 5 Gal
In stock
$423.21 $593.99 -29%
Big Foot Mycorrhizae Concentrate | 10lb
In stock
$422.00
South Cascade Organics SLF-100 | 5gal - OMRI Listed
In stock
$421.38 $599.99 -30%
CYCO Commercial Series Grow 10-5-13 - 20kg
In stock
$417.51 $978.98 -57%
CYCO Commercial Series Bloom 8-6-11 - 20kg
In stock
$417.51 $978.98 -57%
Aptus Peakboost, 5 L
In stock
$412.19 $628.09 -34%
Aptus Finaleboost, 5 L
In stock
$412.19 $628.09 -34%
Roots Organics Extreme Serene, 5 gal
In stock
$397.18 $635.04 -37%
Save 13%
Emerald Harvest Cal-Mag | 15gal
In stock
$387.50 $442.86 -13%
Save 13%
Emerald Harvest Cal-Mag, 15 gal
Out of stock
$387.50 $442.86 -13%
Plant Success Great White Premium Mycorrhizae | 5lb
In stock
$386.06 $533.63 -28%
House & Garden Multi Zen, 20 L
In stock
$380.62 $609.00 -38%
MILLS C4 10 LTR
Out of stock
$378.12 $550.00 -31%
MILLS ULTIMATE PK 10 LTR
In stock
$378.12 $550.00 -31%
Great White Premium Mycorrhizae, 5 lbs
In stock
$372.58 $533.63 -30%
Xtreme Mykos Pure Mycorrhizal Inoculum, Granular, 50 lbs
In stock
$371.30 $614.99 -40%
FoxFarm Cultivation Nation Micro, 15 gal
In stock
$364.46 $485.95 -25%
Xtreme Gardening Mykos | 50lb
In stock
$354.25 $466.80 -24%
Dark Energy, 2.5 gal
In stock
$348.64 $461.99 -25%
Emerald Harvest Root Wizard, 2.5 gal - (Case of 2)
In stock
$347.82 $530.00 -34%
Emerald Harvest Root Wizard, 2.5 gal (FL, MN, NC, OK) - (Case of 2)
Out of stock
$347.82 $530.00 -34%
Emerald Harvest Root Wizard, 2.5 gal (OR)
Out of stock
$347.82 $530.00 -34%
Biobizz Bio-Heaven | 10 L
In stock
$345.84 $691.68 -50%
BioBizz Bio-Heaven 10L CA & OR only
In stock
$345.84 $691.68 -50%
BioAG Ful-Humix | 50lb - OMRI Listed
Out of stock
$342.12 $430.66 -21%
FoxFarm Cultivation Nation Cal-Mag, 15 gal
Out of stock
$339.86 $568.52 -40%
Save 10%
BioSafe TerraGrow, 10 lb
Out of stock
$338.82 $377.99 -10%
Rhizoflora Purpinator 0-2-4 - 6gal
In stock
$335.27
Remo VeloKelp, 20 L
In stock
$333.75 $533.99 -37%
Emerald Harvest Root Wizard | 2.5gal
Out of stock
$331.25 $530.00 -38%
Emerald Harvest Root Wizard | 2.5gal (FL, MN, NC, OK)
Out of stock
$331.25 $530.00 -38%
Emerald Harvest Root Wizard | 2.5gal (OR)
Out of stock
$331.25 $530.00 -38%
FoxFarm Cultivation Nation Bloom 0-5-4 | 15gal
In stock
$329.96 $439.95 -25%
Biobizz Top-Max, 20 L
In stock
$324.85 $649.72 -50%
BioBizz Top-Max 20L CA & OR only
Out of stock
$324.85 $649.72 -50%
HEAVY 16 Veg A, 15 gal
In stock
$321.55 $514.49 -38%
HEAVY 16 Veg B, 15 gal
In stock
$321.55 $514.49 -38%
Save 18%
HYCLEAN Line & Equipment Cleaner for Irrigation Systems | 20L (5.28gal) - Non-Toxic
In stock
$319.92 $389.24 -18%
Roots Organics Terp Tea Microbe Charge, 40 lb
Out of stock
$318.31 $424.42 -25%
Roots Organics Terp Tea Microbe Charge 40lb
Out of stock
$318.31 $424.42 -25%
Grow Big Hydro Liquid Concentrate, 5 gal
Out of stock
$316.11 $425.83 -26%
HEAVY 16 Prime, 2.5 gal
In stock
$314.99 $503.99 -38%
Primordial Solutions True Blooms, 32 oz, 6-pack (OR ONLY)
In stock
$314.00 $441.99 -29%
Biobizz Acti-Vera 20L CA & OR only
Out of stock
$312.95 $625.90 -50%
Biobizz Acti-Vera 20L
In stock
$312.95 $625.90 -50%
Humboldt Nutrients Big Up Powder, 10 lbs
In stock
$312.89 $500.99 -38%
FoxFarm Cultivation Nation Flower, 50 lb
In stock
$312.71 $416.95 -25%
Save 4%
Dip N Grow Rooting Hormone | 1gal
In stock
$312.50 $325.00 -4%
MILLS START 10 LTR
In stock
$302.50 $440.00 -31%
FoxFarm Tiger Bloom Buds & Blooms Fertilizer 2-8-4 | 5gal - Concentrate
In stock
$301.22 $414.99 -27%
FoxFarm Grow Big Fertilizer 6-4-4 | 5gal - Concentrate
In stock
$300.95 $413.99 -27%
General Hydroponics Floralicious Plus 2-0.8-0.5 - 2.5gal
In stock
$300.59 $713.59 -58%
Grotek Blossom Blaster 1-4-0 | 500g - (Case of 6)
In stock
$299.99
Cutting Edge Solutions Micro, 15 gal
In stock
$299.19 $464.99 -36%
Big Foot Root Boost Nitrogen-Fixing Azospirillum | 15lb
In stock
$299.00
FoxFarm Tiger Bloom Liquid Concentrate, 5 gal
In stock
$292.11 $411.95 -29%
Aptus Liquid Base, 5 L
In stock
$291.98 $458.00 -36%
FoxFarm Grow Big Liquid Concentrate, 5 gal
In stock
$291.29 $411.95 -29%
Save 13%
Emerald Harvest Micro | 15gal
Out of stock
$291.25 $332.86 -13%
Save 13%
Emerald Harvest Micro, 15 gal
Out of stock
$291.25 $332.86 -13%
Botanicare Hydroplex Bloom 0-10-6 - 5gal
In stock
$290.54 $515.87 -44%
Humboldt Nutrients Verde, 5 gal
In stock
$290.18 $463.99 -37%
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