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Nutrients & Supplements

Soil Amendments
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128
FoxFarm Grow Big Fertilizer 6-4-4 | 2.5gal - Concentrate - (Case of 2)
In Stock: 13
$200.48 $236.99 -15%
Great White Premium Mycorrhizae, 32 oz
In Stock: 31
$200.05 $277.99 -28%
Big Foot Ecto-Mycorrhizae | 2oz
In Stock: 20
$199.80
Down to Earth Kelp Meal 1-0.1-2 | 50lb - OMRI Listed
In Stock: 74
$199.28 $287.99 -31%
Emerald Harvest pH Down, 1 gal, case of 4
In Stock: 25
$198.66 $308.00 -36%
Emerald Harvest pH Up, 1 gal, case of 4
In Stock: 20
$198.66 $308.00 -36%
Technaflora MagiCal, 20 L
In Stock: 17
$198.36 $321.99 -38%
General Hydroponics Floralicious Plus 2-0.8-0.5 - 1gal
In Stock: 135
$197.64 $321.32 -38%
Mad Farmer Nutrient UpTake Solution (N.U.T.S.), 30 gal
In Stock: 4
$196.40 $1,181.25 -83%
Emerald Harvest Starter Kit | 32oz - 2 Part Base
In Stock: 13
$196.38 $220.00 -11%
Emerald Harvest Starter Kit | 32oz - 3 Part Base
In Stock: 26
$196.38 $220.00 -11%
Plant Success Orca | 1gal
Out of stock
$196.09 $252.21 -22%
Big Foot Mycorrhizae Granular | 10lb
In Stock: 31
$195.70
Biobizz Bio-Bloom | 20 L
In Stock: 57
$195.54 $303.16 -35%
Biobizz Bio-Grow | 20 L
In Stock: 57
$195.54 $303.16 -35%
BioBizz Bio-Grow 20L CA & OR only
In Stock: 6
$195.54 $303.16 -35%
BioBizz Bio-Bloom 20L CA & OR only
In Stock: 9
$195.54 $303.16 -35%
SUPERthrive, 1 gal
In Stock: 157
$194.60 $251.39 -23%
Aptus Liquid Base, 1 L
In Stock: 22
$193.42 $294.00 -34%
House & Garden Nitrogen Boost, 5 L
In Stock: 122
$193.42 $299.88 -36%
Grotek Vitamax Plus 1-1-2 | 10L - (Case of 2)
In Stock: 14
$192.99
Plant Success Orca | 1gal - (Case of 2)
Out of stock
$192.50 $252.21 -24%
Cutting Edge Solutions Cal-Mag Amplified, 6 gal
In Stock: 14
$192.26 $272.99 -30%
Budswel, 5 gal
In Stock: 544
$191.75 $247.99 -23%
Budswel, 5 gal (CA Only)
In Stock: 168
$191.75 $247.99 -23%
BioBizz Root-Juice 5L
Out of stock
$190.92 $296.00 -36%
BioBizz Root-Juice 5L CA & OR only
In Stock: 3
$190.92 $296.00 -36%
Grotek Growth Booster 16-40-0 | 300g - (Case of 6)
In Stock: 78
$189.99
Emerald Harvest pH Down, 1 qt, case of 12
In Stock: 35
$189.63 $294.00 -36%
Emerald Harvest pH Up, 1 qt, case of 12
In Stock: 19
$189.63 $294.00 -36%
House & Garden Drip Clean, 5 L
In Stock: 177
$189.63 $294.00 -36%
Emerald Harvest Root Wizard | 1gal
In Stock: 23
$189.34 $271.00 -30%
Emerald Harvest Root Wizard | 1gal (FL, MN, NC, OK)
In Stock: 3
$189.34 $271.00 -30%
Emerald Harvest Hydra Clear, 1 gal
In Stock: 63
$187.05 $290.00 -36%
Botanicare Pure Blend Pro Grow Formula 3-2-4 - 5gal
In Stock: 76
$185.67 $299.53 -38%
Botanicare Pure Blend Pro Soil 1-4-5 - 5gal
In Stock: 185
$185.67 $299.53 -38%
Xtreme Gardening Mykos |60 - 100g Bags
In Stock: 40
$184.29 $225.98 -18%
Grotek Blossom Blaster, 500 g
In Stock: 319
$184.19 $256.99 -28%
Rock Resinator Heavy Yields, 5 L
In Stock: 889
$184.12 $291.99 -37%
Botanicare Hydroplex Bloom 0-10-6 - 2.5gal
In Stock: 79
$184.08 $269.51 -32%
Purple Maxx, 1 gal
In Stock: 63
$183.66 $258.99 -29%
Emerald Harvest Root Wizard, 1 gal
In Stock: 34
$183.53 $271.00 -32%
Emerald Harvest Root Wizard, 1 gal (FL, MN, NC, OK)
In Stock: 10
$183.53 $271.00 -32%
Emerald Harvest Root Wizard, 1 gal (OR)
In Stock: 23
$183.53 $271.00 -32%
House & Garden Roots Excelurator Gold, 1 L
In Stock: 2298
$182.86 $283.50 -35%
Orca Premium Liquid Mycorrhizae, 1 gal
In Stock: 114
$181.99 $252.99 -28%
General Hydroponics FloraNova Grow 7-4-10 - 2.5gal
In Stock: 105
$181.89 $267.22 -32%
General Hydroponics FloraNova Bloom 4-8-7 - 2.5gal
In Stock: 301
$181.89 $267.22 -32%
Emerald Harvest Kick Starter Kit 2-Part Base
In Stock: 4
$180.60 $220.00 -18%
Emerald Harvest Kick Starter Kit 2-Part Base
Out of stock
$180.60 $220.00 -18%
Emerald Harvest Kick Starter Kit 2-Part Base
Out of stock
$180.60 $220.00 -18%
Emerald Harvest Kick Starter Kit 2-Part Base
Out of stock
$180.60 $220.00 -18%
Emerald Harvest Kick Starter Kit 2-Part Base
Out of stock
$180.60 $220.00 -18%
Emerald Harvest Kick Starter Kit 3-Part Base
Out of stock
$180.60 $220.00 -18%
Emerald Harvest Kick Starter Kit 3-Part Base
Out of stock
$180.60 $220.00 -18%
Emerald Harvest Kick Starter Kit 3-Part Base
Out of stock
$180.60 $220.00 -18%
Emerald Harvest Kick Starter Kit 3-Part Base
In Stock: 2
$180.60 $220.00 -18%
Emerald Harvest Kick Starter Kit 3-Part Base
Out of stock
$180.60 $220.00 -18%
Roots Organics Elemental, 40 lbs
In Stock: 29
$179.72 $278.63 -35%
CYCO Platinum Series Dr. Repair 3-0-0 - 20L
In Stock: 16
$179.14 $277.79 -36%
HDI Clonex Mist Root Promoter | 1gal - Concentrate
In Stock: 39
$178.75 $224.07 -20%
Botanicare Pure Blend Pro Bloom Formula 2-3-5 - 5gal
In Stock: 43
$178.73 $299.53 -40%
Down to Earth Soluble Root Growth Enhancer | 5lb - OMRI Listed - (Case of 5)
Out of stock
$177.29 $241.29 -27%
Big Time Enzyme, 5 gal
In Stock: 29
$177.23 $228.99 -23%
CYCO Commercial Series Bloom 8-6-11 - 5kg
In Stock: 5
$176.34 $271.17 -35%
Roots Organics HPK 0-4-3, 5 gal
Out of stock
$176.08 $272.99 -35%
Great White Granular 1 Mycorrhizal | 20lb - OMRI Listed
In Stock: 8
$175.19 $225.34 -22%
Age Old Grow, 6 gal
In Stock: 25
$174.14 $224.99 -23%
Age Old Bloom, 6 gal
In Stock: 79
$174.14 $224.99 -23%
Age Old Kelp, 6 gal
In Stock: 45
$174.14 $224.99 -23%
Age Old Fish & Seaweed, 6 gal
In Stock: 3
$174.14 $224.99 -23%
General Hydroponics KoolBloom 2-45-28 - 16lb
In Stock: 703
$173.23 $279.51 -38%
CYCO Commercial Series Grow 10-5-13 - 5kg
In Stock: 17
$172.89 $271.17 -36%
Xtreme Gardening Mykos | 20lb - (Case of 2)
In Stock: 9
$172.35 $211.34 -18%
Emerald Harvest Cal-Mag | 6gal
In Stock: 17
$172.14 $250.00 -31%
Aptus Startboost, 1 L
In Stock: 120
$171.87 $235.12 -27%
DaKine 420 Sticky Icky Enzymes | 10lb
In Stock: 5
$169.54 $698.99 -76%
House & Garden Shooting Powder Sachet (pack of 20)
In Stock: 328
$169.31 $262.50 -36%
Mad Farmer Cal+Mag, 6 gal
In Stock: 10
$169.31 $262.50 -36%
MILLS VITALIZE 1LTR
In Stock: 144
$169.31 $262.50 -36%
Grotek Vitamax Pro, 23 L
In Stock: 165
$167.69 $430.99 -61%
Xtreme Mykos Pure Mycorrhizal Inoculum, Granular, 100 g Singles (60 per case)
In Stock: 61
$166.41 $278.99 -40%
SUPERthrive Root-Gel Rooting Gel | 64oz - (Case of 6)
Out of stock
$166.28 $264.99 -37%
Grotek Heavy Bud Pro 1-0-3 | 23L
In Stock: 2
$165.92 $502.99 -67%
Xtreme Mykos Pure Mycorrhizal Inoculum, Granular, 20 lbs
In Stock: 18
$165.55 $255.99 -35%
Xtreme Gardening Mykos Root Paks | 500ct - (Case of 2)
In Stock: 2
$164.99 $202.30 -18%
FoxFarm Dirty Dozen Liquids & Solubles Starter Pack | 12pcs - (Case of 2)
In Stock: 60
$164.38 $222.99 -26%
CYCO Platinum Series Zyme 0.01-0.3-0.2 - 5L - (OK)
Out of stock
$163.44
Remo Nature's Candy, 20 L
In Stock: 9
$162.86 $251.99 -35%
Grotek Pro-Silicate, 23 L
In Stock: 358
$162.67 $226.99 -28%
Botanicare Vitamino 1-0-0 - 5gal
In Stock: 81
$161.43 $354.27 -54%
Emerald Harvest Cal-Mag, 6 gal
In Stock: 29
$161.25 $250.00 -36%
Humboldt Honey Organic ES, 5 gal
In Stock: 9
$161.06 $381.99 -58%
Grotek Vitamax Pro, 10 L
In Stock: 417
$160.63 $224.36 -28%
DaKine 420 Atomic Root Powder | 5,000g
In Stock: 7
$159.84 $658.99 -76%
Microbe Life Photosynthesis Plus-O, 2.5 gal (OR)
In Stock: 9
$158.01 $222.99 -29%
FoxFarm Big Bloom Fertilizer 0-0.5-0.7 | 2.5gal - Concentrate - OMRI Listed - (Case of 2)
Out of stock
$156.70 $187.99 -17%
Microbe Life Photosynthesis Plus, 2.5 gal
In Stock: 7
$156.44 $219.99 -29%
Microbe Life Plus-C, 2.5 gal (CA)
In Stock: 9
$156.44 $219.99 -29%
B'Cuzz Bloom, 5 L
In Stock: 13
$155.54 $218.99 -29%
B'Cuzz Root, 5 L
In Stock: 15
$155.54 $218.99 -29%
Bloombastic | 1.25 L
In Stock: 74
$155.41 $240.99 -36%
Emerald Harvest Sturdy Stalk | 2.5gal
In Stock: 1
$155.26 $240.00 -35%
Emerald Harvest Sturdy Stalk, 2.5 gal - (Case of 2)
In Stock: 10
$154.80 $240.00 -36%
MILLS START 5 LTR
In Stock: 122
$154.80 $240.00 -36%
Botanicare Cal-Mag Plus 2-0-0 | 5gal
In Stock: 530
$153.66 $257.59 -40%
House & Garden Bud-XL, 5 L
In Stock: 379
$152.39 $236.25 -35%
Grotek Monster Bloom, 2.5 kg
In Stock: 2099
$151.92 $211.99 -28%
Grotek Monster Grow Pro, 2.5 kg
In Stock: 163
$151.92 $211.99 -28%
House & Garden Top Shooter, 1 L
In Stock: 234
$151.70 $235.20 -36%
FoxFarm Tiger Bloom Liquid Concentrate, 5 gal
Out of stock
$151.52 $411.95 -63%
Grotek Root Force 1-0-0 | 4L - (Case of 4)
In Stock: 28
$150.59
CYCO Platinum Series Silica 0-0-3 - 20L
In Stock: 13
$150.16 $232.43 -35%
Big Foot Ecto-Mycorrhizae | 5lb
In Stock: 7
$149.99
Remo Micro, 20 L
In Stock: 11
$149.83 $231.99 -35%
SugarDaddy, 10 L
In Stock: 26
$149.82 $231.99 -35%
FoxFarm Soluble Fertilizer Trio Pack | 3pk - 1lb each - (Case of 6)
In Stock: 77
$148.63 $176.99 -16%
Remo Magnifical, 20 L
In Stock: 11
$148.53 $229.99 -35%
Nectar for The Gods Persephone's Palate | 5gal
In Stock: 5
$147.73 $193.99 -24%
G10 Gravitation #10, 1 gal
In Stock: 69
$147.64 $189.99 -22%
HEAVY 16 Bud A, 6 gal
In Stock: 660
$146.27 $226.79 -36%
HEAVY 16 Bud B, 6 gal
In Stock: 508
$146.27 $226.79 -36%
HEAVY 16 Veg A, 6 gal
In Stock: 254
$146.27 $226.79 -36%
HEAVY 16 Veg B, 6 gal
In Stock: 153
$146.27 $226.79 -36%
DaKine 420 Shock & Awe Bloom Booster | 10,000g
In Stock: 7
$145.29 $598.99 -76%
HEAVY 16 Prime, 1 gal
In Stock: 250
$145.25 $225.22 -36%
House & Garden Cocos - Starter Kit
Out of stock
$145.07 $224.91 -35%
House & Garden Soil - Starter Kit
Out of stock
$145.07 $224.91 -35%
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