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Emerald Harvest Hydra Clear, 1 gal
In Stock: 53
$197.20 $290.00 -32%
Emerald Harvest Hydra Clear, 1 qt
In Stock: 43
$57.99 $77.50 -25%
Emerald Harvest Honey Chome, 1 qt
In Stock: 231
$29.92 $44.00 -32%
Emerald Harvest King Kola, 15 gal
Out of stock
$1,214.40 $1,314.29 -8%
Emerald Harvest King Kola, 15 gal (FL/NM/PA)
Out of stock
$1,214.40 $1,314.29 -8%
Emerald Harvest King Kola, 2.5 gal - (Case of 2)
In Stock: 2
$516.80 / $258.40 per unit
(minimum purchase of 2)
Emerald Harvest King Kola, 2.5 gal (FL/NM/PA) - (Case of 2)
Out of stock
$542.64 / $271.32 per unit
(minimum purchase of 2)
Emerald Harvest King Kola, 270 gal
Out of stock
$17,028.00 $18,428.57 -8%
Emerald Harvest King Kola, 270 gal (FL/NM/PA)
Out of stock
$17,028.00 $18,428.57 -8%
Emerald Harvest King Kola, 55 gal
Out of stock
$3,960.00 $4,285.71 -8%
Emerald Harvest King Kola, 55 gal (FL/NM/PA)
Out of stock
$3,960.00 $4,285.71 -8%
Emerald Harvest King Kola, 6 gal
In Stock: 15
$544.00 $800.00 -32%
Emerald Harvest King Kola, 6 gal (FL/NM/PA)
Out of stock
$544.00 $800.00 -32%
Emerald Harvest King Kola, 1 gal
In Stock: 108
$119.68 $160.00 -25%
Emerald Harvest King Kola, 1 gal (FL/NM/PA)
Out of stock
$119.68 $160.00 -25%
Emerald Harvest King Kola, 1 qt
In Stock: 356
$29.92 $44.00 -32%
Emerald Harvest King Kola, 1 qt (FL/NM/PA)
In Stock: 14
$29.92 $44.00 -32%
Emerald Harvest Kick Starter Kit 2-Part Base
In Stock: 1
$190.40 $220.00 -13%
Emerald Harvest Kick Starter Kit 2-Part Base
Out of stock
$190.40 $220.00 -13%
Emerald Harvest Kick Starter Kit 2-Part Base
Out of stock
$190.40 $220.00 -13%
Emerald Harvest Kick Starter Kit 2-Part Base
Out of stock
$190.40 $220.00 -13%
Emerald Harvest Kick Starter Kit 2-Part Base
Out of stock
$190.40 $220.00 -13%
Emerald Harvest Kick Starter Kit 3-Part Base
Out of stock
$190.40 $220.00 -13%
Emerald Harvest Kick Starter Kit 3-Part Base
Out of stock
$190.40 $220.00 -13%
Emerald Harvest Kick Starter Kit 3-Part Base
Out of stock
$190.40 $220.00 -13%
Emerald Harvest Kick Starter Kit 3-Part Base
In Stock: 2
$190.40 $220.00 -13%
Emerald Harvest Kick Starter Kit 3-Part Base
Out of stock
$190.40 $220.00 -13%
Emerald Harvest Micro, 15 gal
Out of stock
$307.56 $332.86 -8%
Emerald Harvest Micro, 2.5 gal - (Case of 2)
Out of stock
$149.62 / $74.81 per unit
(minimum purchase of 2)
Emerald Harvest Micro, 270 gal
Out of stock
$4,930.20 $5,335.71 -8%
Emerald Harvest Micro, 55 gal
Out of stock
$1,049.40 $1,135.71 -8%
Emerald Harvest Micro, 6 gal
In Stock: 36
$127.84 $188.00 -32%
Emerald Harvest Micro, 1 gal
In Stock: 27
$27.30 $42.00 -35%
Emerald Harvest Micro, 1 qt
In Stock: 17
$14.70 $18.00 -18%
Emerald Harvest pH Down, 15 gal
Out of stock
$541.20 $585.71 -8%
Emerald Harvest pH Down, 2.5 gal, case of 2
In Stock: 1
$233.92 $344.00 -32%
Emerald Harvest pH Down, 270 gal
Out of stock
$9,520.00 $13,214.29 -28%
Emerald Harvest pH Down, 55 gal
In Stock: 6
$1,985.60 $2,750.00 -28%
Emerald Harvest pH Down, 6 gal
In Stock: 20
$239.36 $352.00 -32%
Emerald Harvest pH Down, 1 gal, case of 4
In Stock: 21
$209.44 $308.00 -32%
Emerald Harvest pH Down, 1 qt, case of 12
In Stock: 22
$199.92 $294.00 -32%
Emerald Harvest pH Up, 15 gal
Out of stock
$541.20 $585.71 -8%
Emerald Harvest pH Up, 2.5 gal, case of 2
In Stock: 8
$233.92 $344.00 -32%
Emerald Harvest pH Up, 270 gal
Out of stock
$9,520.00 $13,214.29 -28%
Emerald Harvest PH Up, 55 gal
In Stock: 6
$1,985.60 $2,750.00 -28%
Emerald Harvest pH Up, 6 gal
In Stock: 26
$239.36 $352.00 -32%
Emerald Harvest pH Up, 1 gal, case of 4
In Stock: 16
$209.44 $308.00 -32%
Emerald Harvest pH Up, 1 qt, case of 12
In Stock: 7
$199.92 $294.00 -32%
Emerald Harvest Root Wizard, 15 gal
Out of stock
$1,518.00 $1,642.86 -8%
Emerald Harvest Root Wizard, 15 gal (FL, MN, NC, OK)
Out of stock
$1,518.00 $1,642.86 -8%
Emerald Harvest Root Wizard, 15 gal (OR)
Out of stock
$1,518.00 $1,642.86 -8%
Emerald Harvest Root Wizard, 2.5 gal - (Case of 2)
In Stock: 5
$720.80 / $360.40 per unit
(minimum purchase of 2)
Emerald Harvest Root Wizard, 2.5 gal (FL, MN, NC, OK) - (Case of 2)
Out of stock
$720.80 / $360.40 per unit
(minimum purchase of 2)
Emerald Harvest Root Wizard, 2.5 gal (OR)
Out of stock
$360.40 $530.00 -32%
Emerald Harvest Root Wizard, 270 gal
Out of stock
$26,875.20 $29,085.71 -8%
Emerald Harvest Root Wizard, 270 gal (FL, MN, NC, OK)
Out of stock
$26,875.20 $29,085.71 -8%
Emerald Harvest Root Wizard, 270 gal (OR)
Out of stock
$26,875.20 $29,085.71 -8%
Emerald Harvest Root Wizard, 55 gal
Out of stock
$5,517.60 $5,971.43 -8%
Emerald Harvest Root Wizard, 55 gal (FL, MN, NC, OK)
Out of stock
$5,517.60 $5,971.43 -8%
Emerald Harvest Root Wizard, 55 gal (OR)
Out of stock
$5,517.60 $5,971.43 -8%
Emerald Harvest Root Wizard, 6 gal
In Stock: 10
$646.00 $950.00 -32%
Emerald Harvest Root Wizard, 6 gal (FL, MN, NC, OK)
In Stock: 4
$646.00 $950.00 -32%
Emerald Harvest Root Wizard, 6 gal (OR)
In Stock: 6
$646.00 $950.00 -32%
Emerald Harvest Root Wizard, 1 gal
In Stock: 27
$193.49 $271.00 -29%
Emerald Harvest Root Wizard, 1 gal (FL, MN, NC, OK)
In Stock: 10
$184.28 $271.00 -32%
Emerald Harvest Root Wizard, 1 gal (OR)
In Stock: 23
$184.28 $271.00 -32%
Emerald Harvest Root Wizard, 1 qt
In Stock: 75
$65.28 $96.00 -32%
Emerald Harvest Root Wizard, 1 qt (FL, MN, NC, OK)
In Stock: 22
$68.22 $96.00 -29%
Emerald Harvest Root Wizard, 1 qt (OR)
In Stock: 59
$65.28 $96.00 -32%
Emerald Harvest Sturdy Stalk, 15 gal
In Stock: 3
$699.60 $757.14 -8%
Emerald Harvest Sturdy Stalk, 2.5 gal - (Case of 2)
In Stock: 10
$342.78 / $171.39 per unit
(minimum purchase of 2)
Emerald Harvest Sturdy Stalk, 270 gal
Out of stock
$12,210.00 $13,214.29 -8%
Emerald Harvest Sturdy Stalk, 55 gal
Out of stock
$2,541.00 $2,750.00 -8%
Emerald Harvest Sturdy Stalk, 6 gal
In Stock: 9
$292.40 $430.00 -32%
Emerald Harvest Sturdy Stalk, 1 gal
In Stock: 19
$82.96 $122.00 -32%
Emerald Harvest Sturdy Stalk, 1 qt
In Stock: 76
$28.79 $38.50 -25%
Elite Resin D, 32 oz - A Hydrofarm Exclusive!
Out of stock
$3.70 $72.59 -95%
Crystal Burst, 5 gal
In Stock: 11
$243.13 $313.99 -23%
Crystal Burst, 1 gal
In Stock: 66
$75.29 $87.99 -14%
G10 Gravitation #10, 1 gal
In Stock: 44
$163.43 $189.99 -14%
Emerald Triangle Killer Tea, 5 gal
In Stock: 18
$119.11 $159.99 -26%
Purple Maxx, 1 gal
In Stock: 51
$203.32 $258.99 -21%
Humboldt County's Own Sonic Bloom, 5 lbs
In Stock: 29
$132.19 $161.99 -18%
Snow Storm Ultra, 2.5 gal
In Stock: 26
$268.59 $329.99 -19%
Snow Storm Ultra, 5 Gal
In Stock: 17
$460.46 $593.99 -22%
Snow Storm Ultra, 1 gal
In Stock: 59
$134.31 $164.99 -19%
Flying Skull Z7 Enzyme Cleanser, 1 gal (part 1 & 2)
In Stock: 4
$119.94 $139.99 -14%
FoxFarm Grow Big Hydro Liquid Concentate, 1 qt
Out of stock
$18.17 $36.10 -50%
FoxFarm Grow Big Hydro Liquid Concentrate, 1 gal
Out of stock
$17.42 $117.46 -85%
FoxFarm Grow Big Hydro Liquid Concentrate, 2.5 gal
In Stock: 19
$78.90 / $39.45 per unit
(minimum purchase of 2)
FoxFarm Cha Ching, 2 lbs
Out of stock
$19.15 $103.25 -81%
FoxFarm Open Sesame, 1 lb
Out of stock
$4.27 $57.10 -93%
FoxFarm Open Sesame, 2 lbs
Out of stock
$7.60 $99.39 -92%
FoxFarm Beastie Bloomz, 1 lb
Out of stock
$8.80 $59.35 -85%
FoxFarm Beastie Bloomz, 2 lbs
Out of stock
$15.31 $103.25 -85%
FoxFarm Bush Doctor Boomerang, 1 gal
In Stock: 39
$18.39 $123.93 -85%
FoxFarm Open Sesame, 6 oz
In Stock: 349
$4.01 $27.02 -85%
FoxFarm Cultivation Nation Micro, 1 pt
In Stock: 157
$28.56 / $2.38 per unit
(minimum purchase of 12)
FoxFarm Cultivation Nation Flower, 1 lb
Out of stock
$9.04 $18.78 -52%
FoxFarm Cultivation Nation Flower, 50 lb
Out of stock
$64.54 $416.95 -85%
FoxFarm Bush Doctor Cal-Mag, 1 pt
In Stock: 11
$2.37 $17.38 -86%
FoxFarm Cultivation Nation pH DOWN, 1 pint, case of 12
In Stock: 310
$9.36 $144.40 -94%
FoxFarm Cultivation Nation pH UP, 1 pt, case of 12
In Stock: 226
$24.41 $179.52 -86%
Gaia Green All Purpose, 10 kg
In Stock: 1296
$42.13 $56.10 -25%
Gaia Green All Purpose, 20 kg
In Stock: 234
$78.84 $102.29 -23%
Gaia Green All Purpose, 2 kg Pouch
In Stock: 1257
$19.43 $25.29 -23%
Gaia Green All Purpose, 500 g Pouch
In Stock: 853
$7.93 $9.89 -20%
Gaia Green Basalt Rock Dust, 2 kg U.S. (NA02) Pouch
In Stock: 276
$13.32 $13.99 -5%
Gaia Green Glacial Rock Dust, 2 kg Pouch
In Stock: 377
$10.61 $12.99 -18%
Gaia Green Greensand, 1.25 kg Pouch
In Stock: 222
$21.28 $26.49 -20%
Gaia Green Greensand, 20 kg U.S. (NA02)
In Stock: 13
$107.70 $131.99 -18%
Gaia Green Mineralized Phosphate, 2 kg Pouch
In Stock: 160
$18.07 $18.99 -5%
Gaia Green Power Bloom, 10 kg
In Stock: 1081
$46.21 $57.19 -19%
Gaia Green Power Bloom, 20 kg
In Stock: 306
$85.37 $104.50 -18%
Gaia Green Power Bloom, 2 kg Pouch
In Stock: 2051
$26.97 $28.59 -6%
Gaia Green Power Bloom, 500 g Pouch
In Stock: 2162
$10.34 $10.98 -6%
Gaia Green Super Fly, 750 g Pouch
In Stock: 118
$11.80 $14.99 -21%
Gaia Green Worm Castings, 2 L U.S. (NA02) Pouch
In Stock: 535
$15.21 $15.99 -5%
Gaia Green Worm Castings, 30L
In Stock: 588
$45.66 $55.99 -18%
Rock Fusion Bloom Base Nutrient, 1 L
Out of stock
$4.27 $39.99 -89%
Rock Fusion Grow Base Nutrient, 1 L
Out of stock
$5.86 $39.99 -85%
Rock Resinator Heavy Yields, 1 L
In Stock: 265
$55.18 $75.99 -27%
Rock Resinator Heavy Yields, 20 L
In Stock: 948
$546.75 $822.99 -34%
Rock Resinator Heavy Yields, 5 L
In Stock: 932
$203.82 $291.99 -30%
Grow More Bio-Cozyme, 1 gal
In Stock: 131
$30.42 $39.99 -24%
Grow More Mendocino Avalanche, 2.5 gal
In Stock: 14
$112.81 $157.99 -29%
Grow More Mendocino Avalanche, 1 gal
In Stock: 107
$52.36 $69.99 -25%
Grow More Hawaiian Bud, 25 lbs
In Stock: 72
$105.39 $128.99 -18%
Show other 128 products