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Nutrients & Supplements

Soil Amendments
Emerald Harvest Cali Pro Grow B, 15 gal
Out of stock
$297.00 $321.43 -8%
House & Garden Shooting Powder Pouch, 500 g
In Stock: 569
$69.55 $92.99 -25%
Roots Organics Uprising Foundation, 9 lbs
In Stock: 308
$36.35 $48.59 -25%
Cutting Edge Solutions Louder Powder Grow A (15-0-0), 25 lb Bag
In Stock: 72
$131.96 $199.99 -34%
Grotek Biofuse | 300g - (Case of 6)
Out of stock
$156.36 / $26.06 per unit
(minimum purchase of 6)
Emerald Harvest Hydra Clear, 1 gal
In Stock: 53
$197.20 $290.00 -32%
Emerald Harvest Root Wizard | 32oz (FL, MN, NC, OK)
In Stock: 36
$78.85 $96.00 -18%
Biobizz Bio-Grow | 5 L
In Stock: 37
$62.18 $91.44 -32%
Roots Organics Rain, 5 gal
In Stock: 56
$577.58 $849.36 -32%
Roots Organics Oregonism XL, 6 lbs
In Stock: 16
$244.61 $360.70 -32%
Cutting Edge Solutions Sugaree, 15 gal
In Stock: 16
$620.62 $859.99 -28%
House & Garden Nitrogen Boost, 200 L
In Stock: 3
$171.07 $9,765.00 -98%
MegaPhos SP Phosphorus Solubilizing Microbe | 2oz - OMRI Listed
Out of stock
$37.13
Emerald Harvest Root Wizard | 6gal (OR)
Out of stock
$666.51 $950.00 -30%
Mad Farmer Detox, 30 gal
In Stock: 3
$71.40 $808.50 -91%
Mad Farmer Oxygenator, 1 gal, Case of 4
In Stock: 60
$114.24 $159.96 -29%
Emerald Harvest Emerald Goddess 2-1-4 | 2.5gal
In Stock: 24
$289.58 $380.00 -24%
Primordial Solutions PaleoBloom, 5 gal
Out of stock
$44.19 $284.99 -84%
Emerald Harvest Cali Pro Bloom A, 6 gal
In Stock: 10
$125.12 $184.00 -32%
Botanicare Sweet Berry Plant Food | 2.5gal
In Stock: 49
$147.42 $219.16 -33%
Emerald Harvest Cali Pro Grow B 2-2-5 | 15gal
Out of stock
$306.42 $321.43 -5%
Emerald Harvest Cali Pro Grow B 2-2-5 | 55gal
Out of stock
$1,048.66 $1,100.00 -5%
Cutting Edge Solutions Grow, 55 gal
In Stock: 17
$959.43 $1,289.99 -26%
Emerald Harvest Cali Pro Bloom B, 1 gal
In Stock: 49
$30.68 $41.00 -25%
Optic Foliar Switch, 10 L
In Stock: 12
$145.90 $216.99 -33%
Remo AstroFlower, 4 L
In Stock: 20
$67.66 $99.99 -32%
Nitryx SP Nitrogen Fixing Bacteria | 1lb - OMRI Listed
Out of stock
$99.00
Cutting Edge Solutions Cal-Mag Amplified, 6 gal
In Stock: 10
$202.69 $272.99 -26%
Emerald Harvest Root Wizard, 1 qt (OR)
In Stock: 59
$65.28 $96.00 -32%
House & Garden pH Osmosis Stabilizer, 60 L
Out of stock
$19.19 $1,012.20 -98%
Emerald Harvest Root Wizard | 1gal (FL, MN, NC, OK)
In Stock: 3
$223.04 $271.00 -18%
FoxFarm Bush Doctor Bemb Sweet & Dandy 0-1-3 | 32oz - Concentrate
In Stock: 194
$31.12 $34.99 -11%
Nectar for The Gods Hades Down 0-1-0 | 32oz
In Stock: 118
$18.74 $21.99 -15%
House & Garden Roots Excelurator Gold, 1 L
In Stock: 1683
$192.78 $283.50 -32%
Remo Bloom, 20 L
In Stock: 7
$134.61 $197.99 -32%
Dark Energy, 2.5 gal
Out of stock
$94.83 $461.99 -79%
SUPERthrive Pro-TeKt Nutritional Supplement 0-0-3 | 5gal - The Silicon Solution
In Stock: 48
$233.54 $323.45 -28%
Optic Foliar Switch, 24 L
In Stock: 21
$277.30 $407.99 -32%
Soul Amino-Aide, 1 gal
In Stock: 20
$137.36 $201.99 -32%
Emerald Harvest Bloom | 15gal
Out of stock
$250.59 $262.86 -5%
Emerald Harvest Root Wizard, 2.5 gal (OR)
Out of stock
$360.40 $530.00 -32%
FoxFarm Cultivation Nation pH UP, 1 pt, case of 12
In Stock: 226
$24.41 $179.52 -86%
Roots Organics Elemental | 3lb - (Case of 3)
Out of stock
$69.51 / $23.17 per unit
(minimum purchase of 3)
Nectar for The Gods Bloom Khaos Foliar Spray 0-0-0.5 | 5gal
In Stock: 12
$309.24 $356.99 -13%
Grow More Mendocino Avalanche, 6 gal
In Stock: 34
$250.65 $368.95 -32%
Emerald Harvest Root Wizard | 32oz
In Stock: 59
$78.85 $96.00 -18%
Down to Earth Oyster Shell | 50lb - OMRI Listed
Out of stock
$30.07 $35.99 -16%
Soul LBS, 9 lb
In Stock: 30
$109.47 $146.91 -25%
HEAVY 16 Roots, 6 gal
In Stock: 37
$928.19 $1,364.99 -32%
Mad Farmer Get Up, 1 gal, case of 4
In Stock: 11
$94.25 $125.99 -25%
Cutting Edge Solutions Bulletproof Si, 15 gal
In Stock: 10
$632.79 $822.99 -23%
Grotek Pro-Silicate, 23 L
In Stock: 2
$171.50 $226.99 -24%
House & Garden Aqua Flakes A, 5 L
In Stock: 138
$33.65 $49.48 -32%
Optic Foliar Watts, 4 L
In Stock: 22
$250.70 $368.99 -32%
Roots Organics Ancient Amber | 32oz
In Stock: 23
$19.27 $19.99 -4%
HDI Ionic Bloom for Soil Premium Plant Nutrient 2-2-5 | 5gal
Out of stock
$161.17 $177.83 -9%
Biobizz Bio-Heaven | 20 L
In Stock: 30
$833.64 $1,225.94 -32%
Grotek Insta-Green, 4 L
In Stock: 385
$29.46 $38.99 -24%
Olympus Up, 1 qt
Out of stock
$2.20 $16.49 -87%
Biobizz Bio-Grow | 20 L
In Stock: 41
$206.15 $303.16 -32%
House & Garden Cocos - Starter Kit
In Stock: 16
$152.95 $224.91 -32%
Biobizz Top-Max, 5 L
In Stock: 34
$140.42 $206.50 -32%
Emerald Harvest Root Wizard | 2.5gal (FL, MN, NC, OK)
Out of stock
$371.84 $530.00 -30%
Cutting Edge Solutions Bulletproof Si, 6 gal
In Stock: 7
$245.82 $319.99 -23%
Orca Premium Liquid Mycorrhizae, 1 gal
In Stock: 53
$201.47 $252.99 -20%
Great White Premium Mycorrhizae, 32 oz
In Stock: 35
$210.91 $277.99 -24%
Rock Resinator Heavy Yields, 5 L
In Stock: 932
$203.82 $291.99 -30%
HEAVY 16 Finish, 2.5 gal
In Stock: 220
$121.37 $178.49 -32%
House & Garden Soil B, 200 L
In Stock: 15
$771.45 $1,133.99 -32%
Emerald Harvest pH Up | 6gal
In Stock: 8
$259.31 $352.00 -26%
Cutting Edge Solutions Plant Amp, 6 gal
In Stock: 6
$301.12 $419.99 -28%
Down to Earth Oyster Shell | 25lb - OMRI Listed
Out of stock
$18.35 $25.99 -29%
Cutting Edge Solutions Micro, 55 gal
In Stock: 11
$1,131.40 $1,499.99 -25%
Dyna-Gro Pro-TeKt, 1 gal
In Stock: 162
$52.89 $61.19 -14%
Roots Organics Buddha Grow, 5 gal
In Stock: 61
$217.10 $318.63 -32%
Biobizz Top-Max, 10 L
In Stock: 12
$249.26 $366.56 -32%
General Hydroponics ARMOR SI 0-0-4 | 6gal
In Stock: 89
$267.70 $438.39 -39%
Emerald Harvest King Kola, 15 gal
Out of stock
$1,214.40 $1,314.29 -8%
House & Garden Soil - Starter Kit
In Stock: 5
$170.42 $224.91 -24%
MICROBE Life Hydroponics All-In-One | 16oz - (Case of 12)
Out of stock
$290.28 / $24.19 per unit
(minimum purchase of 12)
HEAVY 16 Veg A, 2.5 gal
In Stock: 126
$71.39 $104.99 -32%
Emerald Harvest pH Down | 1gal
In Stock: 15
$60.98 $77.00 -21%
Dyna-Gro Pro-TeKt, 1 qt
In Stock: 69
$19.86 $25.50 -22%
Cutting Edge Solutions Micro, 15 gal
In Stock: 13
$325.52 $464.99 -30%
HEAVY 16 Fire, 6 gal
In Stock: 108
$928.19 $1,364.99 -32%
HEAVY 16 Fire, 16 oz (OR Only)
In Stock: 642
$46.40 $68.24 -32%
House & Garden Multi Zen, 20 L
In Stock: 293
$414.12 $609.00 -32%
BioAg Ful-Power | 2.5 gal (ID,IL,IA,KS,MN,NE,OH,OK,OR)
Out of stock
$77.56 $102.99 -25%
House & Garden Aqua Flakes B, 1 L
In Stock: 27
$15.15 $20.24 -25%
Grotek Monster Bloom, 130 g
In Stock: 1427
$12.41 $13.99 -11%
Grotek Monster Bloom 0-50-30 | 2.5kg
Out of stock
$244.99
Emerald Harvest Cali Pro Bloom A, 15 gal
Out of stock
$297.00 $321.43 -8%
HEAVY 16 Fire, 55 gal
In Stock: 2
$5,290.73 $7,780.49 -32%
Emerald Harvest Cali Pro Grow A, 1 gal
In Stock: 3
$27.88 $41.00 -32%
Emerald Harvest King Kola 0.3-2-3 | 2.5gal
In Stock: 14
$289.58 $380.00 -24%
Emerald Harvest pH Down, 1 qt, case of 12
In Stock: 22
$199.92 $294.00 -32%
HEAVY 16 Roots, 1 gal
In Stock: 108
$227.41 $334.42 -32%
Roots Organics HPK 0-4-3, 5 gal
In Stock: 4
$185.64 $272.99 -32%
Nectar for The Gods Demeter's Destiny Liquid Calcium 0-0.5-0 | 32oz
In Stock: 63
$18.74 $21.99 -15%
Roots Organics Extreme Serene, 1 qt
In Stock: 63
$33.93 $45.35 -25%
HEAVY 16 Bud B, 1 gal
In Stock: 396
$34.00 $50.01 -32%
BioAG Ful-Humix | 2.2lb - OMRI Listed - (Case of 4)
Out of stock
$197.48 / $49.37 per unit
(minimum purchase of 4)
Emerald Harvest pH Down | 6gal
In Stock: 14
$257.16 $352.00 -27%
Emerald Harvest Cal-Mag, 15 gal
Out of stock
$409.20 $442.86 -8%
Grotek Monster Bloom, 2.5 kg
In Stock: 697
$160.17 $211.99 -24%
Emerald Triangle Killer Tea, 5 gal
In Stock: 18
$119.11 $159.99 -26%
HEAVY 16 Veg A, 15 gal
In Stock: 2
$349.85 $514.49 -32%
Mad Farmer Get Down, 1 gal, case of 4
In Stock: 27
$94.25 $125.99 -25%
Remo Grow, 20 L
Out of stock
$4.12 $197.99 -98%
Grotek Bud Fuel Pro, 1 L
In Stock: 1205
$30.15 $36.26 -17%
House & Garden Multi Zen, 1 L
In Stock: 274
$33.50 $49.27 -32%
Emerald Harvest Micro, 15 gal
Out of stock
$307.56 $332.86 -8%
Roots Organics Buddha Bloom, 2.5 gal
In Stock: 119
$134.03 $179.17 -25%
MegaPhos SP Phosphorus Solubilizing Microbe | 200oz - OMRI Listed
Out of stock
$1,504.80
Emerald Harvest Grow, 15 gal
Out of stock
$242.88 $262.86 -8%
Microbe Life Plus-C, 1 gal (CA)
Out of stock
$73.45 $95.99 -23%
Emerald Harvest Cali Pro Bloom B, 55 gal
Out of stock
$1,016.40 $1,100.00 -8%
HEAVY 16 Prime, 2.5 gal
In Stock: 76
$342.71 $503.99 -32%
Emerald Harvest pH Up | 1gal
In Stock: 23
$63.08 $77.00 -18%
FoxFarm Beastie Bloomz Fertilizer 0-50-30 | 15lb
In Stock: 30
$238.31 $264.99 -10%
Grotek Monster Bloom 0-50-30 | 10kg
Out of stock
$864.99
HDI Ionic PK BOOST Plant Nutrient 0-5-6 | 5gal
Out of stock
$153.86 $177.83 -13%
Grotek Blossom Blaster, 500 g
In Stock: 279
$203.89 $256.99 -21%
Soul Big Swell, 2.5 gal
In Stock: 93
$269.25 $471.34 -43%
Purple Maxx, 1 gal
In Stock: 51
$203.32 $258.99 -21%
House & Garden Nitrogen Boost, 1 L
In Stock: 342
$48.06 $64.26 -25%
Remo Nature's Candy, 4 L
In Stock: 20
$50.32 $73.99 -32%
Grotek Blossom Blaster Pro Liquid, 1 L
In Stock: 1570
$16.54 $29.18 -43%
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