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128
Emerald Harvest Micro, 6 gal
In stock
$117.50 $188.00 -38%
Emerald Harvest Micro, 1 gal
In stock
$26.25 $42.00 -38%
Emerald Harvest Micro, 1 qt
In stock
$13.51 $18.00 -25%
Save 12%
Emerald Harvest pH Down, 15 gal
Out of stock
$512.50 $585.71 -12%
Emerald Harvest pH Down, 2.5 gal, case of 2
In stock
$215.00 $344.00 -38%
Emerald Harvest pH Down, 270 gal
Out of stock
$8,750.00 $13,214.29 -34%
Emerald Harvest pH Down, 55 gal
In stock
$1,825.00 $2,750.00 -34%
Emerald Harvest pH Down, 6 gal
In stock
$220.00 $352.00 -38%
Emerald Harvest pH Down, 1 gal, case of 4
In stock
$192.50 $308.00 -38%
Emerald Harvest pH Down, 1 qt, case of 12
In stock
$183.75 $294.00 -38%
Save 12%
Emerald Harvest pH Up, 15 gal
Out of stock
$512.50 $585.71 -12%
Emerald Harvest pH Up, 2.5 gal, case of 2
In stock
$215.00 $344.00 -38%
Emerald Harvest pH Up, 270 gal
Out of stock
$8,750.00 $13,214.29 -34%
Emerald Harvest PH Up, 55 gal
In stock
$1,825.00 $2,750.00 -34%
Emerald Harvest pH Up, 6 gal
In stock
$220.00 $352.00 -38%
Emerald Harvest pH Up, 1 gal, case of 4
In stock
$192.50 $308.00 -38%
Emerald Harvest pH Up, 1 qt, case of 12
In stock
$183.75 $294.00 -38%
Save 13%
Emerald Harvest Root Wizard, 15 gal
Out of stock
$1,437.50 $1,642.86 -13%
Save 13%
Emerald Harvest Root Wizard, 15 gal (FL, MN, NC, OK)
Out of stock
$1,437.50 $1,642.86 -13%
Save 13%
Emerald Harvest Root Wizard, 15 gal (OR)
Out of stock
$1,437.50 $1,642.86 -13%
Emerald Harvest Root Wizard, 2.5 gal - (Case of 2)
In stock
$331.25 $530.00 -38%
Emerald Harvest Root Wizard, 2.5 gal (FL, MN, NC, OK) - (Case of 2)
Out of stock
$331.25 $530.00 -38%
Emerald Harvest Root Wizard, 2.5 gal (OR)
Out of stock
$331.25 $530.00 -38%
Save 12%
Emerald Harvest Root Wizard, 270 gal
Out of stock
$25,450.00 $29,085.71 -12%
Save 12%
Emerald Harvest Root Wizard, 270 gal (FL, MN, NC, OK)
Out of stock
$25,450.00 $29,085.71 -12%
Save 12%
Emerald Harvest Root Wizard, 270 gal (OR)
Out of stock
$25,450.00 $29,085.71 -12%
Save 13%
Emerald Harvest Root Wizard, 55 gal
Out of stock
$5,225.00 $5,971.43 -13%
Save 13%
Emerald Harvest Root Wizard, 55 gal (FL, MN, NC, OK)
Out of stock
$5,225.00 $5,971.43 -13%
Save 13%
Emerald Harvest Root Wizard, 55 gal (OR)
Out of stock
$5,225.00 $5,971.43 -13%
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%
Emerald Harvest Root Wizard, 1 gal
In stock
$169.38 $271.00 -37%
Emerald Harvest Root Wizard, 1 gal (FL, MN, NC, OK)
In stock
$169.38 $271.00 -37%
Emerald Harvest Root Wizard, 1 gal (OR)
In stock
$169.38 $271.00 -37%
Emerald Harvest Root Wizard, 1 qt
In stock
$60.00 $96.00 -38%
Emerald Harvest Root Wizard, 1 qt (FL, MN, NC, OK)
In stock
$60.00 $96.00 -38%
Emerald Harvest Root Wizard, 1 qt (OR)
In stock
$60.00 $96.00 -38%
Save 12%
Emerald Harvest Sturdy Stalk, 15 gal
In stock
$662.50 $757.14 -12%
Emerald Harvest Sturdy Stalk, 2.5 gal - (Case of 2)
In stock
$150.00 $240.00 -38%
Save 13%
Emerald Harvest Sturdy Stalk, 270 gal
Out of stock
$11,562.50 $13,214.29 -13%
Save 13%
Emerald Harvest Sturdy Stalk, 55 gal
Out of stock
$2,406.25 $2,750.00 -13%
Emerald Harvest Sturdy Stalk, 6 gal
In stock
$268.75 $430.00 -38%
Emerald Harvest Sturdy Stalk, 1 gal
In stock
$83.86 $122.00 -31%
Emerald Harvest Sturdy Stalk, 1 qt
In stock
$26.46 $38.50 -31%
Elite Resin D, 32 oz - A Hydrofarm Exclusive!
In stock
$34.02 $72.59 -53%
Elite Root Igniter E, 8 oz - A Hydrofarm Exclusive!
In stock
$15.46 $32.99 -53%
Crystal Burst, 2.5 gal
In stock
$124.39 $174.99 -29%
Crystal Burst, 5 gal
In stock
$223.46 $313.99 -29%
Crystal Burst, 1 gal
In stock
$69.20 $87.99 -21%
Crystal Burst, 1 qt
In stock
$21.36 $29.99 -29%
G10 Gravitation #10, 1 gal
In stock
$143.06 $189.99 -25%
Emerald Triangle Killer Tea, 5 gal
In stock
$109.48 $159.99 -32%
Purple Maxx, 1 gal
In stock
$177.96 $258.99 -31%
Purple Maxx, 1 qt
In stock
$59.34 $85.99 -31%
Humboldt County's Own Sonic Bloom, 1 lb
In stock
$37.50 $49.99 -25%
Humboldt County's Own Sonic Bloom, 5 lbs
In stock
$127.58 $161.99 -21%
Snow Storm Ultra, 2.5 gal
In stock
$235.11 $329.99 -29%
Snow Storm Ultra, 1 qt
In stock
$39.18 $54.99 -29%
Snow Storm Ultra, 5 Gal
In stock
$423.21 $593.99 -29%
Snow Storm Ultra, 1 gal
In stock
$123.45 $164.99 -25%
Flying Skull Z7 Enzyme Cleanser, 1 gal (part 1 & 2)
In stock
$104.99 $139.99 -25%
FoxFarm Big Bloom Liquid Concentrate, 1 qt
In stock
$16.40 $25.30 -35%
FoxFarm Big Bloom Liquid Concentrate, 1 gal
In stock
$59.65 $90.04 -34%
FoxFarm Big Bloom Liquid Concentrate, 2.5 gal
In stock
$128.85 $191.31 -33%
FoxFarm Big Bloom Liquid Concentrate, 5 gal
In stock
$239.59 $334.45 -28%
FoxFarm Grow Big Liquid Concentrate, 1 qt
In stock
$24.02 $33.26 -28%
FoxFarm Grow Big Liquid Concentrate, 1 gal
In stock
$70.69 $106.13 -33%
FoxFarm Grow Big Liquid Concentrate, 2.5 gal
In stock
$173.25 $241.57 -28%
FoxFarm Grow Big Liquid Concentrate, 5 gal
In stock
$291.29 $411.95 -29%
FoxFarm Grow Big Hydro Liquid Concentate, 1 qt
In stock
$23.72 $36.10 -34%
FoxFarm Grow Big Hydro Liquid Concentrate, 1 gal
In stock
$84.22 $117.46 -28%
FoxFarm Grow Big Hydro Liquid Concentrate, 2.5 gal
In stock
$178.89 $253.84 -30%
FoxFarm Marine Cuisine Dry Fertilizer, 4 lbs
In stock
$16.68 $25.78 -35%
FoxFarm Tiger Bloom Liquid Concentrate, 1 qt
In stock
$24.04 $33.29 -28%
FoxFarm Tiger Bloom Liquid Concentrate, 1 gal
In stock
$70.68 $106.15 -33%
FoxFarm Tiger Bloom Liquid Concentrate, 2.5 gal
In stock
$137.49 $241.61 -43%
FoxFarm Tiger Bloom Liquid Concentrate, 5 gal
In stock
$292.11 $411.95 -29%
FoxFarm Cha Ching, 1 lb
In stock
$37.82 $59.35 -36%
FoxFarm Cha Ching, 2 lbs
In stock
$72.59 $103.25 -30%
FoxFarm Open Sesame, 1 lb
In stock
$15.72 $57.10 -72%
FoxFarm Open Sesame, 2 lbs
In stock
$27.94 $99.39 -72%
FoxFarm Beastie Bloomz, 1 lb
In stock
$40.62 $59.35 -32%
FoxFarm Beastie Bloomz, 2 lbs
In stock
$66.00 $103.25 -36%
FoxFarm Beastie Bloomz, 15 lbs
In stock
$186.25 $261.47 -29%
FoxFarm Cha Ching Soluble, 15 lbs
In stock
$173.42 $244.15 -29%
FoxFarm Open Sesame, 15 lbs
In stock
$187.86 $284.65 -34%
FoxFarm Soluble 1 lb Trio Pack
In stock
$120.04 $164.90 -27%
FoxFarm Soil Formula Nutrients Trio, 3 qts
In stock
$57.21 $92.55 -38%
FoxFarm Hydro Formula Nutrients Trio, 3 qts
In stock
$66.66 $95.02 -30%
FoxFarm Bush Doctor Sledge Hammer, 1 qt
In stock
$22.86 $34.28 -33%
FoxFarm Bush Doctor Sledge Hammer, 1 gal
In stock
$84.22 $117.46 -28%
FoxFarm Bush Doctor Microbe Brew, 1 qt
In stock
$29.98 $42.55 -30%
FoxFarm Bush Doctor Kangaroots, 1 qt
In stock
$23.72 $36.12 -34%
FoxFarm Bush Doctor Kangaroots, 1 gal
In stock
$80.98 $129.09 -37%
FoxFarm Bush Doctor Boomerang, 1 qt
In stock
$22.85 $34.83 -34%
FoxFarm Bush Doctor Boomerang, 1 gal
In stock
$82.71 $123.93 -33%
FoxFarm Big Bloom Liquid Concentrate, 1 pt
In stock
$10.25 $16.40 -38%
FoxFarm Grow Big Liquid Concentrate, 1 pt
In stock
$14.10 $18.80 -25%
FoxFarm Tiger Bloom Liquid Concentrate, 1 pt
In stock
$14.10 $18.80 -25%
FoxFarm Grow Big Hydro Liquid Concentate, 1 pt
In stock
$12.28 $19.66 -38%
FoxFarm Bush Doctor Microbe Brew, 1 pt
In stock
$14.94 $21.91 -32%
FoxFarm Cha Ching, 6 oz
In stock
$16.70 $27.06 -38%
FoxFarm Beastie Bloomz, 6 oz
In stock
$16.69 $27.06 -38%
FoxFarm Open Sesame, 6 oz
In stock
$16.70 $27.02 -38%
FoxFarm Bush Doctor Bembe, 1 qt
In stock
$22.84 $36.12 -37%
FoxFarm Bush Doctor Bembe, 1 gal
In stock
$75.51 $100.69 -25%
FoxFarm Dirty Dozen Starter Kit
In stock
$131.09 $187.76 -30%
FoxFarm Bush Doctor Kelp Me Kelp You, 1 qt
In stock
$21.10 $36.10 -42%
FoxFarm Bush Doctor Wholly Mackerel, 1 pt
Out of stock
$12.50 $22.48 -44%
FoxFarm Tiger Bloom Liquid Concentrate, 15 gal
Out of stock
$792.95 $1,155.15 -31%
FoxFarm Grow Big Liquid Concentrate, 15 gal
In stock
$814.82 $1,148.43 -29%
FoxFarm Grow Big Liquid Concentrate, 55 gal
In stock
$2,376.29 $3,168.38 -25%
FoxFarm Happy Frog All-Purpose Fertilizer, 4 lb bag
In stock
$9.98 $17.42 -43%
FoxFarm Happy Frog Fruit & Flower Fertilizer, 4 lb bag
In stock
$9.98 $17.42 -43%
FoxFarm Happy Frog Japanese Maple Fertilizer, 4 lb bag
In stock
$9.98 $17.42 -43%
FoxFarm Happy Frog Tomato & Vegetable Fertilizer, 4 lb bag
In stock
$11.38 $16.70 -32%
FoxFarm Cultivation Nation Micro, 1 pt
In stock
$10.32 $17.50 -41%
FoxFarm Cultivation Nation Micro, 1 qt
Out of stock
$15.61 $23.98 -35%
FoxFarm Cultivation Nation Micro, 1 gal
Out of stock
$35.72 $54.85 -35%
FoxFarm Cultivation Nation Micro, 15 gal
In stock
$364.46 $485.95 -25%
FoxFarm Cultivation Nation Bloom 0-5-4 | 15gal
In stock
$329.96 $439.95 -25%
FoxFarm Cultivation Nation Flower, 1 lb
In stock
$9.41 $18.78 -50%
FoxFarm Cultivation Nation Flower, 50 lb
In stock
$312.71 $416.95 -25%
FoxFarm Bush Doctor Cal-Mag, 1 pt
In stock
$11.85 $17.38 -32%
FoxFarm Bush Doctor Cal-Mag, 1 qt
In stock
$18.58 $27.56 -33%
FoxFarm Bush Doctor Cal-Mag, 1 gal
In stock
$65.78 $106.54 -38%
FoxFarm Cultivation Nation pH DOWN, 1 pint, case of 12
In stock
$34.42 $144.40 -76%
Show another 128 products