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Nutrients & Supplements

Soil Amendments
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128
Cutting Edge Solutions Sugaree, 15 gal
In stock
$629.75 $859.99 -27%
Soul Amino-Aide, 5 gal
In stock
$613.30 $888.83 -31%
Soul Big Swell, 5 gal
In stock
$613.30 $888.83 -31%
HEAVY 16 Finish, 15 gal
In stock
$608.57 $881.99 -31%
CYCO Commercial Series Grow 10-5-13 - 20kg
In stock
$607.82 $978.98 -38%
CYCO Commercial Series Bloom 8-6-11 - 20kg
In stock
$607.82 $978.98 -38%
SUPERthrive Pure Neem Oil Organic Leaf Polish | 5gal
In stock
$607.42 $919.99 -34%
Aptus Massboost, 5 L
In stock
$594.46 $820.50 -28%
Roots Organics Rain, 5 gal
In stock
$586.07 $849.36 -31%
Save 1%
BioAG Cytoplus | 50lb
Out of stock
$580.56 $589.18 -1%
Growth Science Organics Root Magic, 6 gal
Out of stock
$579.72 $838.99 -31%
Save 17%
Grotek Monster Grow Pro, 10 kg
In stock
$573.79 $692.99 -17%
Grotek Monster Bloom, 10 kg
In stock
$573.46 $747.99 -23%
Optic Foliar TRANSPORT, 10 L
In stock
$569.32 $749.99 -24%
Save 17%
Hygrozyme Horticultural Enzyme Formula, 20 L
In stock
$568.59 $685.99 -17%
House & Garden Bud-XL, 20 L
In stock
$565.11 $819.00 -31%
Humboldt Roots, 1 gal
In stock
$565.10 $818.99 -31%
Emerald Harvest Emerald Goddess 2-1-4 | 6gal
In stock
$552.00 $800.00 -31%
Emerald Harvest King Kola 0.3-2-3 | 6gal
In stock
$552.00 $800.00 -31%
Emerald Harvest King Kola 0.3-2-3 | 6gal
Out of stock
$552.00 $800.00 -31%
Emerald Harvest Honey Chome 0.5-0.5-1 | 6gal
In stock
$552.00 $800.00 -31%
Emerald Harvest Emerald Goddess, 6 gal
In stock
$552.00 $800.00 -31%
Emerald Harvest Honey Chome, 6 gal
In stock
$552.00 $800.00 -31%
Emerald Harvest King Kola, 6 gal
In stock
$552.00 $800.00 -31%
Emerald Harvest King Kola, 6 gal (FL/NM/PA)
Out of stock
$552.00 $800.00 -31%
Save 13%
HYGROZYME Horticultural Horticulture Enzyme Formula | 20L (5.28gal)
In stock
$549.88 $628.77 -13%
Save 5%
Aptus Liquid Base, 20 L
In stock
$548.43 $579.00 -5%
CYCO Platinum Series Zyme 0.01-0.3-0.2 - 20L - Oklahoma Label
In stock
$546.17
Rock Resinator Heavy Yields, 20 L
In stock
$539.37 $799.99 -33%
House & Garden 1-Component, 200 L
In stock
$534.98 $2,205.00 -76%
Technaflora Thrive Alive B1 Red, 20 L
In stock
$534.93 $762.99 -30%
B'Cuzz Blossom Builder, 5L
In stock
$527.37 $763.99 -31%
Save 10%
Emerald Harvest pH Up | 15gal
Out of stock
$524.80 $585.71 -10%
Save 10%
Emerald Harvest pH Down | 15gal
Out of stock
$524.80 $585.71 -10%
Save 10%
Emerald Harvest pH Down, 15 gal
Out of stock
$524.80 $585.71 -10%
Save 10%
Emerald Harvest pH Up, 15 gal
Out of stock
$524.80 $585.71 -10%
HEAVY 16 Foliar, 6 gal
In stock
$507.14 $734.99 -31%
Emerald Harvest Hydra Clear, 2.5 gal
Out of stock
$499.90 $690.00 -28%
Save 11%
SUPERthrive, 2.5 gal
In stock
$499.51 $558.29 -11%
Save 17%
South Cascade Organics SLF-100, 5 gal
In stock
$489.89 $591.99 -17%
Aptus Ecozen, 5 L
In stock
$488.24 $673.91 -28%
Cutting Edge Solutions Cal-Mag Amplified, 15 gal
In stock
$478.46 $633.99 -25%
Biobizz Bio-Heaven, 10 L
In stock
$477.47 $691.99 -31%
Save 1%
BioAG TM-7 | 50lb
Out of stock
$475.01 $482.17 -1%
HEAVY 16 Fire, 2.5 gal
In stock
$470.91 $682.49 -31%
HEAVY 16 Fire, 2.5 gal (OR Only)
In stock
$470.91 $682.49 -31%
HEAVY 16 Roots, 2.5 gal
In stock
$470.91 $682.49 -31%
Snow Storm Ultra, 5 Gal
In stock
$467.23 $593.99 -21%
South Cascade Organics SLF-100 | 5gal - OMRI Listed
In stock
$465.20 $599.99 -22%
Grotek Monster Bloom 0-50-30 | 5kg
In stock
$459.99
Aptus Peakboost, 5 L
In stock
$455.06 $628.09 -28%
Aptus Finaleboost, 5 L
In stock
$455.06 $628.09 -28%
Grotek Vitamax Plus 1-1-2 | 23L
In stock
$449.99
Biobizz Top-Max, 20 L
In stock
$447.80 $648.99 -31%
Big Foot Mycorrhizae Granular | 50lb - Granules
In stock
$444.33 $652.99 -32%
Roots Organics Extreme Serene, 5 gal
In stock
$438.48 $635.04 -31%
General Hydroponics Floralicious Plus 2-0.8-0.5 - 2.5gal
In stock
$437.58 $713.59 -39%
Save 16%
Grotek Gro-Silic, 10 L
In stock
$428.99 $511.99 -16%
Plant Success Great White Premium Mycorrhizae | 5lb
In stock
$426.21 $533.63 -20%
Cutting Edge Solutions Sour-Dee, 15 gal
Out of stock
$425.63 $822.99 -48%
House & Garden Multi Zen, 20 L
In stock
$420.21 $609.00 -31%
Great White Premium Mycorrhizae, 5 lbs
In stock
$411.32 $533.63 -23%
Xtreme Mykos Pure Mycorrhizal Inoculum, Granular, 50 lbs
In stock
$409.92 $614.99 -33%
Save 17%
FoxFarm Cultivation Nation™ Micro, 15 gal
In stock
$402.37 $485.95 -17%
Save 10%
Emerald Harvest Cal-Mag | 15gal
In stock
$396.80 $442.86 -10%
Save 10%
Emerald Harvest Cal-Mag, 15 gal
Out of stock
$396.80 $442.86 -10%
Save 16%
Xtreme Gardening Mykos | 50lb
In stock
$391.09 $466.80 -16%
Save 17%
Dark Energy, 2.5 gal
In stock
$384.90 $461.99 -17%
Biobizz Alg-A-Mic, 20 L
In stock
$384.33 $556.99 -31%
Emerald Harvest Root Wizard, 2.5 gal
In stock
$384.00 $530.00 -28%
Emerald Harvest Root Wizard, 2.5 gal (FL/MN/NC/OK)
Out of stock
$384.00 $530.00 -28%
Emerald Harvest Root Wizard, 2.5 gal (OR)
Out of stock
$384.00 $530.00 -28%
FoxFarm Cultivation Nation Cal-Mag, 15 gal
Out of stock
$375.21 $568.52 -34%
DaKine 420 Sticky Icky Enzymes | 10lb
In stock
$372.23 $698.99 -47%
Save 2%
BioAG Ful-Humix | 50lb - OMRI Listed
Out of stock
$369.46 $375.24 -2%
Remo VeloKelp, 20 L
In stock
$368.46 $533.99 -31%
Emerald Harvest Root Wizard | 2.5gal
Out of stock
$365.70 $530.00 -31%
Emerald Harvest Root Wizard | 2.5gal
Out of stock
$365.70 $530.00 -31%
Emerald Harvest Root Wizard | 2.5gal
Out of stock
$365.70 $530.00 -31%
Save 17%
FoxFarm Cultivation Nation™ Bloom, 15 gal
In stock
$364.28 $439.95 -17%
Save 17%
Grotek Vitamax Pro, 23 L
In stock
$356.85 $430.99 -17%
HEAVY 16 Bud A, 15 gal
In stock
$354.99 $514.49 -31%
HEAVY 16 Bud B, 15 gal
In stock
$354.99 $514.49 -31%
HEAVY 16 Veg A, 15 gal
In stock
$354.99 $514.49 -31%
HEAVY 16 Veg B, 15 gal
In stock
$354.99 $514.49 -31%
General Organics BioBud 0.5-0.1-1 - 2.5gal
In stock
$354.08 $518.53 -32%
Save 17%
Roots Organics Terp Tea Microbe Charge, 40 lb
In stock
$351.42 $424.42 -17%
DaKine 420 Atomic Root Powder | 5,000g
In stock
$350.92 $658.99 -47%
HEAVY 16 Prime, 2.5 gal
In stock
$347.75 $503.99 -31%
Primordial Solutions True Blooms, 32 oz, 6-pack (OR ONLY)
In stock
$346.66 $441.99 -22%
Humboldt Nutrients Big Up Powder, 10 lbs
In stock
$345.43 $500.99 -31%
Save 17%
FoxFarm Cultivation Nation™ Flower, 50 lb
In stock
$345.23 $416.95 -17%
CYCO Platinum Series Zyme 0.01-0.3-0.2 - 20L
In stock
$345.00 $546.17 -37%
Save 13%
HYCLEAN Line & Equipment Cleaner for Irrigation Systems | 20L (5.28gal) - Non-Toxic
In stock
$340.40 $389.24 -13%
Save 10%
BioSafe TerraGrow, 10 lb
Out of stock
$338.82 $377.99 -10%
FoxFarm Cultivation Nation™ Grow, 15 gal
In stock
$336.13 $531.95 -37%
Rhizoflora Purpinator 0-2-4 - 6gal
In stock
$335.27
FoxFarm Tiger Bloom Buds & Blooms Fertilizer 2-8-4 | 5gal - Concentrate
In stock
$332.55 $414.99 -20%
FoxFarm Grow Big Fertilizer 6-4-4 | 5gal - Concentrate
In stock
$332.25 $413.99 -20%
CYCO 20L B1 Boost (32/PL)
In stock
$331.19 $532.94 -38%
Cutting Edge Solutions Micro, 15 gal
In stock
$330.30 $464.99 -29%
FoxFarm Tiger Bloom® Liquid Concentrate, 5 gal
In stock
$322.49 $411.95 -22%
Aptus Liquid Base, 5 L
In stock
$322.34 $458.00 -30%
FoxFarm Grow Big® Liquid Concentrate, 5 gal
In stock
$321.58 $411.95 -22%
Botanicare Hydroplex Bloom 0-10-6 - 5gal
In stock
$320.75 $515.87 -38%
Humboldt Nutrients Verde, 5 gal
In stock
$320.35 $463.99 -31%
Save 2%
Dip N Grow Rooting Hormone | 1gal
In stock
$320.00 $325.00 -2%
DaKine 420 Shock & Awe Bloom Booster | 10,000g
In stock
$318.97 $598.99 -47%
SugarDaddy, 20 L
In stock
$318.42 $457.99 -30%
Save 17%
Roots Organics Terp Tea Bloom Booster, 40 lb
In stock
$317.44 $383.39 -17%
Xtreme Azos Beneficial Bacteria, 8 lbs
In stock
$312.25 $432.99 -28%
Humboldt Roots, 0.5 gal
In stock
$311.88 $451.99 -31%
House & Garden Algen Extract, 5 L
In stock
$308.90 $406.98 -24%
Technaflora Thrive Alive B1 Red, 10 L
In stock
$307.93 $411.99 -25%
Xtreme Mykos Pure Mycorrhizal Inoculum, Wettable Powder, 15 lbs
In stock
$307.35 $423.99 -28%
Grotek Vitamax Plus, 23 L
In stock
$306.66 $399.99 -23%
Cutting Edge Solutions Plant Amp, 6 gal
In stock
$305.55 $419.99 -27%
Save 17%
Grotek Monster Grow Pro, 5 kg
In stock
$305.53 $368.99 -17%
Grotek Monster Bloom, 5 kg
In stock
$305.13 $397.99 -23%
Save 16%
Hygrozyme Horticultural Enzyme Formula, 10 L
In stock
$301.01 $358.99 -16%
Cutting Edge Solutions Mag-Amped, 6 gal
In stock
$300.00 $419.99 -29%
Grotek Blossom Blaster 1-4-0 | 500g
In stock
$299.99
Save 16%
Xtreme Gardening Azos Root Booster | 8lb
In stock
$298.99 $356.86 -16%
Save 16%
Xtreme Gardening Mykos WP | 15lb - Wettable Powder
In stock
$298.99 $356.86 -16%
FoxFarm Grow Big Hydroponic Fertilizer 3-2-6 | 5gal - Concentrate
In stock
$298.25 $429.99 -31%
Save 10%
Emerald Harvest Micro | 15gal
Out of stock
$298.24 $332.86 -10%
Save 10%
Emerald Harvest Micro, 15 gal
Out of stock
$298.24 $332.86 -10%
Emerald Harvest Sturdy Stalk | 6gal
Out of stock
$296.70 $430.00 -31%
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