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Showing 385 - 432 of 2909 products
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HM Digital 1000 ppm TDS Calibration Solution, 3 oz (90 ml)
HM Digital 1000 ppm TDS Calibration Solution, 3 oz (90 ml)
$40.00 USD
No reviews
HM Digital PH-80 pH/Temperature Meter
HM Digital PH-80 pH/Temperature Meter
$80.00 USD
No reviews
HM Digital PH-STOR pH Electrode Storage Solution
HM Digital PH-STOR pH Electrode Storage Solution
$39.00 USD
No reviews
HM Digital TDS-3 Handheld TDS meter
HM Digital TDS-3 Handheld TDS meter
$65.00 USD
No reviews
Dosatron Nutrient Delivery System - Mixing ChamberDosatron Nutrient Delivery System - Mixing Chamber
Dosatron Nutrient Delivery System - Mixing Chamber
$131.00 USD
No reviews
GroStar GS4 pH/EC/500ppm/700ppm/Temp (5-in-1) Combo Pen
GroStar GS4 pH/EC/500ppm/700ppm/Temp (5-in-1) Combo Pen
$171.00 USD
No reviews
HM Digital COM-80 EC/TDS/Temp Waterproof Hydro Tester
HM Digital COM-80 EC/TDS/Temp Waterproof Hydro Tester
$77.00 USD
No reviews
Active Air 2-Way Moisture/pH Meter
Active Air 2-Way Moisture/pH Meter
$43.00 USD
No reviews
HM Digital HydroMaster Portable/Wall Mount/Bench Continuous pH/EC/TDS/Temp
HM Digital HydroMaster Portable/Wall Mount/Bench Continuous pH/EC/TDS/Temp
$344.00 USD
No reviews
Link4 Corporation iPonic 614 Environmental Controller
Link4 Corporation iPonic 614 Environmental Controller
$2,566.00 USD
No reviews
Active Air Indoor-Outdoor Thermometer w/Hygrometer
Active Air Indoor-Outdoor Thermometer w/Hygrometer
$55.00 USD
No reviews
Autopilot 24 hr Day & Night Cooling/Heating Thermostat
Autopilot 24 hr Day & Night Cooling/Heating Thermostat
$97.00 USD
No reviews
Mondi Mini Greenhouse Thermo-Hygrometer
Mondi Mini Greenhouse Thermo-Hygrometer
$49.00 USD
No reviews
Autopilot - Cooling ThermostatAutopilot - Cooling Thermostat
Autopilot - Cooling Thermostat
$79.00 USD
No reviews
Active Air - Hygro-Thermometer
Active Air - Hygro-Thermometer
$51.00 USD
No reviews
Link4 Corporation iPonic 624 Two Zone Grow Room Controller
Link4 Corporation iPonic 624 Two Zone Grow Room Controller
$3,085.00 USD
No reviews
Link4 Corporation iPonic iGrow 800 Greenhouse Controller
Link4 Corporation iPonic iGrow 800 Greenhouse Controller
$1,787.00 USD
No reviews
Autopilot ECLIPSE F90 Master Environmental Controller
Autopilot ECLIPSE F90 Master Environmental Controller
$519.00 USD
No reviews
Autopilot ECLIPSE F60 Digital Environmental Controller
Autopilot ECLIPSE F60 Digital Environmental Controller
$277.00 USD
No reviews
Grotek Vegetative Growth BoosterGrotek Vegetative Growth Booster
Grotek Vegetative Growth Booster
$157.00 USD
No reviews
Grodan A-OK 25/40 10/10 Cubes, 1" x 1", 30 sheets of 200
Grodan A-OK 25/40 10/10 Cubes, 1" x 1", 30 sheets of 200
$584.00 USD
No reviews
Grodan A-OK 36/40 6/15 Starter Cubes, 1.5" x 1.5", 30 sheets of 98
Grodan A-OK 36/40 6/15 Starter Cubes, 1.5" x 1.5", 30 sheets of 98
$529.00 USD
No reviews
Grodan Gro Block Improved GR4 Small 3" x 3" x 2.6"Grodan Gro Block Improved GR4 Small 3" x 3" x 2.6"
Grodan Gro Block Improved GR4 Small 3" x 3" x 2.6"
$342.00 USD
No reviews
Grodan Gro Block Improved GR5.6 Large 3" w/Hole 3" x 3" x 4" Shrink wrapped/Strip
Grodan Gro Block Improved GR5.6 Large 3" w/Hole 3" x 3" x 4" Shrink wrapped/Strip
$342.00 USD
No reviews
Grodan Gro Block Improved GR6.5 Small 4" w/Hole, 4" x 4" x 2.6"Grodan Gro Block Improved GR6.5 Small 4" w/Hole, 4" x 4" x 2.6"
Grodan Gro Block Improved GR6.5 Small 4" w/Hole, 4" x 4" x 2.6"
$182.00 USD
No reviews
Grodan Gro Block Improved Mini Block 1.5"Grodan Gro Block Improved Mini Block 1.5"
Grodan Gro Block Improved Mini Block 1.5"
$468.00 USD
No reviews
Grodan Improved Gro-Block, Jumbo 6" x 6" x 4", Case of 64
Grodan Improved Gro-Block, Jumbo 6" x 6" x 4", Case of 64
$197.00 USD
No reviews
Grodan Macro Plugs, 35 packs of 50 count
Grodan Macro Plugs, 35 packs of 50 count
$497.00 USD
No reviews
Pargro Quick Drain Biggie, 6" x 6" x 6", case of 64
Pargro Quick Drain Biggie, 6" x 6" x 6", case of 64
$219.00 USD
No reviews
Hydrofarm Rockwool Block Cover, 6", Pack of 40
Hydrofarm Rockwool Block Cover, 6", Pack of 40
$47.00 USD
No reviews
Grodan Classic 30/75 Slab (wet), 12" x 3", case of 8
Grodan Classic 30/75 Slab (wet), 12" x 3", case of 8
$138.00 USD
No reviews
Grodan Improved Gro-Block, Hugo 6" x 6" x 5.8", Case of 64
Grodan Improved Gro-Block, Hugo 6" x 6" x 5.8", Case of 64
$278.00 USD
No reviews
Grodan Grow-Cubes, 2 cu ft, case of 3
Grodan Grow-Cubes, 2 cu ft, case of 3
$173.00 USD
No reviews
Grodan Expert SlabGrodan Expert Slab
Grodan Expert Slab
$144.00 USD
No reviews
Grodan Improved GR40 Uniblock, 8" x 8" x 4", case of 36
$196.00 USD
No reviews
Grodan Pro A-OK 50/40 6/15, 2"x2", case of 1,500
Grodan Pro A-OK 50/40 6/15, 2"x2", case of 1,500
$411.00 USD
No reviews
Grodan Grow-Cubes, 5.3 cu ft (loose in box)
Grodan Grow-Cubes, 5.3 cu ft (loose in box)
$142.00 USD
No reviews
Coast of Maine Sprout Island Seed Starter SoilCoast of Maine Sprout Island Seed Starter Soil
Coast of Maine Sprout Island Seed Starter Soil
$57.00 USD
No reviews
The Soil King Soil King Baby Rootz, 1.5 cu ft
The Soil King Soil King Baby Rootz, 1.5 cu ft
$74.00 USD
No reviews
Roots Organics Green FieldsRoots Organics Green Fields
Roots Organics Green Fields
$62.00 USD
No reviews
Roots Organics Original Potting SoilRoots Organics Original Potting Soil
Roots Organics Original Potting Soil
$51.00 USD
No reviews
Coast of Maine Stonington Blend Organic Growers Mix, 1.5 cu ft
Coast of Maine Stonington Blend Organic Growers Mix, 1.5 cu ft
$71.00 USD
No reviews
FoxFarm Ocean Forest Potting SoilFoxFarm Ocean Forest Potting Soil
FoxFarm Ocean Forest Potting Soil
$47.00 USD
No reviews
Sungro/Sunshine Advanced SunGro - Horticulture Sunshine #4 with Mycorrhizae, 3 cu ft
Sungro/Sunshine Advanced SunGro - Horticulture Sunshine #4 with Mycorrhizae, 3 cu ft
$88.00 USD
No reviews
Sungro/Sunshine Advanced SunGro Horticulture Sunshine Mix #4, 3.8 cu ft (compressed)
Sungro/Sunshine Advanced SunGro Horticulture Sunshine Mix #4, 3.8 cu ft (compressed)
$99.00 USD
No reviews
Roots Organics Procision Advantage, 3.8 cu ft bale
Roots Organics Procision Advantage, 3.8 cu ft bale
$144.00 USD
No reviews
GROW!T Perlite, Super Coarse, 4 cu ftGROW!T Perlite, Super Coarse, 4 cu ft
GROW!T Perlite, Super Coarse, 4 cu ft
$87.00 USD
No reviews
Roots Organics Formula 707Roots Organics Formula 707
Roots Organics Formula 707
$44.00 USD
No reviews

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