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128
Gaia Green Mineralized Phosphate, 20 kg
In Stock: 28
$21.69 $133.99 -84%
Dyna-Gro Pro-TeKt, 1 qt
In Stock: 67
$21.68 $25.50 -15%
PRO-MIX CPX AGTIV Reach 70/30 Coco Perlite 50L
Out of stock
$21.64 $30.06 -28%
Active Air Duct Fan Speed Adjuster
In Stock: 46
$21.57 $31.62 -32%
Mighty, 1 gal
Out of stock
$21.56 $39.99 -46%
PRO-MIX CCX AGTIV Reach Coco 50L
Out of stock
$21.56 $29.95 -28%
Roots Organics CalMag, 1 qt
In Stock: 202
$21.48 $28.90 -26%
Biobizz CAL-MAG 1L
In Stock: 41
$21.42 $28.86 -26%
Chikamasa B500S Scissors, Straight Blade, SS/EL
In Stock: 356
$21.35 $34.99 -39%
Phat HEPA Intake Filter, 8"
In Stock: 456
$21.28 $267.56 -92%
Roots Organics Elemental, 3 lbs
In Stock: 74
$21.26 $28.61 -26%
HEAVY 16 Finish, 32 oz
In Stock: 2850
$21.25 $31.49 -33%
7ft Splitter Power Cord for M-One/ICL LED (5-15 Plug 120v)
In Stock: 653
$21.17
Autopilot 15' Extension Cable (for APC8200 CO2 Probe)
In Stock: 72
$21.14 $30.21 -30%
EZ Clone Replacement Water Pump (Mag 1125), 1100 GPH
In Stock: 10
$21.11 $121.36 -83%
Active Aqua Air Pump, 2 Outlets, 3W, 7.8 L/min
In Stock: 865
$21.07 $23.96 -12%
Coast of Maine Kelp Meal Organic Plant Food 1-0-1, 4 lbs
Out of stock
$21.06 $22.99 -8%
Chikamasa B500SR Scissors, Curved Blade, SS/EL
In Stock: 509
$21.03 $30.99 -32%
Coast of Maine Fish Bone Meal Organic Plant Food 5-13-0, 3 lbs
Out of stock
$21.01
Plant Yo-Yo with Stopper, bag of 12
In Stock: 934
$21.00 $30.00 -30%
MERV 13 Filter 12x14x1 for Quest 100
In Stock: 32
$21.00
ARS Cultivation Scissors, Angled Carbon Steel Blade
Out of stock
$20.99 $24.99 -16%
Phat HEPA Intake Filter, 4"
In Stock: 19
$20.99 $149.88 -86%
RJ12 Waterproof Straight-Through Inline Coupler
In Stock: 23
$20.99 $21.00
RJ12 to Female Barrel Cable Set
Out of stock
$20.99 $22.05 -5%
RJ12 to Threaded Waterproof Connector Converter Cable
In Stock: 16
$20.99 $22.05 -5%
16ft Extension Cable for Sensor Board AMP-2
In Stock: 11
$20.99 $22.05 -5%
Aptus MINERAL-CALMAG, 1 L
In Stock: 129
$20.97 $29.00 -28%
Trim Fast Precision Titanium Pruner
In Stock: 4960
$20.86 $21.99 -5%
EZ-Clone Rooting Compound, 4 oz
In Stock: 106
$20.65 $23.99 -14%
Dyna-Gro Foliage-Pro, 1 qt
In Stock: 1039
$20.61 $26.49 -22%
Active Aqua 3/4" Fill/Drain Fitting, pack of 10
In Stock: 1
$20.58 $24.50 -16%
Royal Gold Tupur, 1.76 cu ft
In Stock: 2124
$20.54 $24.44 -16%
Ona Gel, Fresh Linen, 1 qt
In Stock: 465
$20.50 $22.49 -9%
Ona PRO Gel, 1 qt
In Stock: 570
$20.50 $22.49 -9%
Jump Start Stand, 2' (Stand Only)
Out of stock
$20.48 $32.50 -37%
Biobizz Bio-PH+ PH Regulator 1L pH UP
In Stock: 55
$20.48 $29.26 -30%
International Enviroguard White SMS Coverall with Elastic Wrist & Ankle, Size Large, case of 25
Out of stock
$20.44 $95.99 -79%
SNS 209 Systemic Pest Control Concentrate, 1 pt
In Stock: 198
$20.43 $24.48 -17%
Green Premium Saucer, 8", pack of 25
In Stock: 72
$20.41 $29.18 -30%
Phat Pre-Filter, 12" x 39"
Out of stock
$20.41 $29.16 -30%
Humboldt Nutrients Master-B, 5 gal
In Stock: 3
$20.32 $300.99 -93%
Harvest More 150 Micron Screen
In Stock: 53
$20.30 $24.99 -19%
Jump Start Hot House w/Heat Mat, Tray, 72-Cell Insert, 7.5" dome
In Stock: 6088
$20.30 $43.33 -53%
Biobizz Coco-Mix, 50 L
In Stock: 14
$20.22 $28.88 -30%
Roots Organics Ancient Amber, 1 qt
In Stock: 343
$20.20 $24.93 -19%
Roots Organics Buddha Bloom 1qt
In Stock: 65
$20.20 $24.93 -19%
Roots Organics Buddha Grow 1qt
In Stock: 124
$20.20 $24.93 -19%
GroStar pH Probe Maintanence Kit
In Stock: 89
$20.15 $23.99 -16%
Mondi Telescopic Water Wand 36"-52"
In Stock: 18
$20.15 $23.99 -16%
Soul Sensei Grow, 5 gal
In Stock: 124
$20.13 $149.06 -86%
USB-RJ12 Controller Cable Pack, 15' (for Phantoms)
In Stock: 108
$20.13 $23.99 -16%
ARS Cultivation Scissors, Straight Carbon Steel Blade
Out of stock
$20.09 $23.99 -16%
Microbe-Lift BMC 2oz Liquid Mosquito Control [N.A. NM, CANAD
In Stock: 259
$20.09 $25.99 -23%
Cutting Edge Solutions Mag-Amped, 1 gal
Out of stock
$20.07 $103.99 -81%
Roots Organics Original Potting Soil, 1.5 cu ft
In Stock: 6125
$20.03 $30.65 -35%
Jump Start Seedling Heat Mat, 3" x 20", 7.3W
In Stock: 315
$20.01 $25.99 -23%
Active Air HD Pedestal Fan, 18"
In Stock: 125
$19.99 $118.99 -83%
Clonex Rooting Gel, 100 mL
In Stock: 2010
$19.96 $27.89 -28%
Cutting Edge Solutions Bulletproof Si, 1 qt
In Stock: 26
$19.95 $25.99 -23%
Cutting Edge Solutions Cal-Mag Amplified, 1 qt
In Stock: 913
$19.95 $23.99 -17%
Staal Plast Polystyrene Glue, 300 ml
In Stock: 1432
$19.88 $23.75 -16%
Humboldt Nutrients Verde, 1 qt
In Stock: 236
$19.72 $28.99 -32%
Chikamasa B500SL Scissors, Slanted Blade, SS/EL
In Stock: 132
$19.67 $23.99 -18%
Age Old Grow, 2.5 gal (OR)
In Stock: 2
$19.64 $96.99 -80%
Hydrofarm Watering Can, 9 L
In Stock: 10
$19.64 $23.40 -16%
Dyna-Gro Pure Neem Oil, 8 oz
In Stock: 324
$19.63 $20.37 -4%
Char Coir BioPot, 4 inch, case of 128
In Stock: 188
$19.60 $240.95 -92%
Aurora Innovations Sap Off!, 16oz
In Stock: 720
$19.60 $23.39 -16%
Cutting Edge Solutions Sugaree, 1 qt
In Stock: 223
$19.59 $24.99 -22%
Weatherproof Box for TS-1, TS-2, HS-1 and ARS-1
In Stock: 13
$19.59 $20.48 -4%
RJ12 Extension Cable Set
In Stock: 7
$19.59 $21.00 -7%
12ft RJ12 to 4-pin IP65 Connecter Cable
In Stock: 21
$19.59 $21.00 -7%
Mad Farmer Nutrient UpTake Solution (N.U.T.S.), 6 gal
In Stock: 32
$19.56 $262.49 -93%
House & Garden Bud-XL, 250 ml
In Stock: 73
$19.49 $26.24 -26%
Gaia Mania, 2.5 gal
In Stock: 7
$19.49 $115.99 -83%
Nectar for the Gods Persephone's Palate, 2.5 gal
In Stock: 1
$19.49 $115.99 -83%
Xtreme Azos Beneficial Bacteria, 2 oz
In Stock: 185
$19.45 $25.99 -25%
Capacitor, Sodium, 1000W US (wet)
In Stock: 28
$19.43 $39.95 -51%
Technaflora B.C. Boost, 1 L
In Stock: 106
$19.40 $28.21 -31%
Coast of Maine Lobster Meal Organic Plant Food 6-2-0, 4 lbs
In Stock: 8
$19.39 $20.99 -8%
Autopilot 7-Day Grounded Digital Programmable Timer, 1725W, 15A, 1 Second On/Off, 8 On/Off Cycles
In Stock: 1943
$19.39 $25.19 -23%
GROW!T 6' Bamboo Stakes, Natural, pack of 25
In Stock: 6400
$19.31 $20.79 -7%
Gaia Green All Purpose, 2 kg Pouch
In Stock: 1194
$19.29 $25.29 -24%
Chikamasa T550S Stainless Steel Prunning Scissors 48mmL
Out of stock
$19.28 $22.99 -16%
Coast of Maine Stonington Blend Organic Plant Food, 4 lb
Out of stock
$19.26 $26.99 -29%
Roots Organics Formula 707, 1.5 cu ft
In Stock: 2046
$19.24 $30.23 -36%
BioBizz Bio-Bloom 1L CA & OR only
In Stock: 16
$19.16 $25.80 -26%
BioAg Ful-Power | 1 qt
In Stock: 102
$19.12 $25.99 -26%
Bio Green Clean Industrial Equipment Cleaner, 1 gal
In Stock: 6
$19.08 $90.99 -79%
House & Garden pH Osmosis Stabilizer, 60 L
In Stock: 24
$19.05 $1,012.20 -98%
FoxFarm Cha Ching, 2 lbs
In Stock: 317
$19.01 $103.25 -82%
1/2" ID Black Tubing 25'
In Stock: 512
$18.83 $23.55 -20%
5ft Daisy Chain Cord for ModelOne/ICL LED, #18 AWG
In Stock: 186
$18.82
1/4" OD Clear Tubing 100'
In Stock: 122
$18.79 $23.50 -20%
Roots Organics Green Lite - Growing Mix, 1.5 cu ft
In Stock: 740
$18.72 $29.81 -37%
Phat Pre-Filter, 10" x 39"
In Stock: 19
$18.63 $26.60 -30%
Smart Pot, 45 gal, 27" x 18"
In Stock: 236
$18.62 $21.59 -14%
Active Eye Microscope, 100X
In Stock: 39
$18.58 $24.14 -23%
FoxFarm Bush Doctor Bembe, 1 gal
In Stock: 46
$18.54 $100.69 -82%
oxyCLONE oxyCERTS - 1 7/8", Blue, pack of 20
In Stock: 2431
$18.51 $22.04 -16%
Raindrip Pressure Compensating Drippers, 2 GPH, pack of 25
In Stock: 231
$18.45 $21.97 -16%
Active Air Pre-Filter for ACCF3912, 12" x 39"
Out of stock
$18.41 $26.32 -30%
Technaflora Rootech Gel, 56.76 g (2 oz)
In Stock: 328
$18.41 $22.14 -17%
BioBizz Fish-Mix 1L
Out of stock
$18.41 $27.28 -33%
BioBizz Fish-Mix 1L CA & OR only
In Stock: 17
$18.41 $27.28 -33%
Active Eye LED Grow Room Lenses
In Stock: 558
$18.38 $26.24 -30%
Active Eye HPS Grow Room Lenses
In Stock: 989
$18.38 $26.24 -30%
Plantchek THC Quick Test
In Stock: 770
$18.38 $22.95 -20%
Active Aqua 1/2" Fill/Drain Fitting, pack of 10
In Stock: 692
$18.31 $21.83 -16%
FoxFarm Bush Doctor Boomerang, 1 gal
In Stock: 76
$18.25 $123.93 -85%
Active Air 6" Clip Fan, 5W
In Stock: 709
$18.19 $23.99 -24%
TrolMaster 4-Pin Waterproof Splitter Cable
In Stock: 9
$18.19 $19.00 -4%
Chikamasa B300S Garden Scissors Straight Blade, SS/ABS
Out of stock
$18.12 $20.99 -14%
Roots Organics GREEN FIELDS, 1.5 cu ft
In Stock: 772
$18.06 $30.65 -41%
FoxFarm Grow Big Hydro Liquid Concentate, 1 qt
Out of stock
$18.04 $36.10 -50%
PX1 Connection Cable, RJ12 to RJ12, 50'
In Stock: 33
$17.95 $22.42 -20%
Roots Organics Surge, 1 qt
In Stock: 619
$17.94 $26.06 -31%
Xtreme Mykos Pure Mycorrhizal Inoculum, Granular, 1 lb
In Stock: 3148
$17.94 $25.99 -31%
PHOTOBIO PHOTO LOC 0-10V Control Cable, 8' Trunk + 5' Branch (White)
Out of stock
$17.82 $21.99 -19%
Active Eye Green LED Worklight/Flashlight
In Stock: 490
$17.77 $22.27 -20%
Dilution Solution Pressure Gauge, 0-100 PSI, 1/4" Mount
In Stock: 17
$17.64
Doktor Doom Spider Mite Knockout, 16 oz
In Stock: 2448
$17.64 $22.49 -22%
Splitter Power Cord for Model One LED system, #18 AWG
Out of stock
$17.64
Growth Science Organics Humic Tonic, 2.5 gal
In Stock: 4
$17.55 $129.99 -86%
Active Air Pre-Filter for ACCF3910, 10" x 39"
In Stock: 41
$17.54 $25.01 -30%
Active Aqua Premium Reservoir, White, 40 gal
In Stock: 51
$17.50 $134.99 -87%
Active Aqua Premium Reservoir Cover, White, 70 gal
In Stock: 20
$17.50 $142.99 -88%
Show other 128 products
Hydrofarm

With a strong portfolio of manufactured and distributed brands, we are one of the leading companies in the global Controlled Environment Agriculture industry. Our mission is to...

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