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How Exhale Co2 Bags Work Photosynthesis is the process by which plant leaves make carbohydrates. ...
The Exhale Homegrown CO2 365 Bag

The Exhale Homegrown CO2 365 Bag

$48.93
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Active Air Indoor-Outdoor Thermometer w/Hygrometer Active Air's indoor-outdoor thermometer gives ...
Active Air Indoor-Outdoor Thermometer w/Hygrometer - Dutchman's Hydroponics & Garden Supply

Active Air Indoor-Outdoor Thermometer w/Hy...

$32.93
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TNB CO2 Bottle (The Enhancer) - Dutchman's Hydroponics & Garden Supply

TNB CO2 Bottle (The Enhancer)

$37.93
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GroZone TP2 Adjustable Differential TempStat Temp -2 Temperature controller with adjustable diffe...
GroZone TP2 Adjustable Differential TempStat Temp -2

GroZone TP2 Adjustable Differential TempSt...

$107.93
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Records and Exports 1 Year of Environmental Data! Developed to detect the presence of CO2 and to ...
Autopilot Desktop CO2 Monitor with Memory and Data Storage - Dutchman's Hydroponics & Garden Supply

Autopilot Desktop CO2 Monitor with Memory ...

$226.00
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The Autopilot Cooling Thermostat is a compact and easy-to-use controller for air conditioners and...
Autopilot Cooling Thermostat

Autopilot Cooling Thermostat

$55.93 $59.93
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Quest Dual 105 Overhead Dehumidifier The Quest Dual 105 was designed to be placed overhead and ou...
Quest Dual 105 Overhead Dehumidifier

Quest Dual 105 Overhead Dehumidifier

$2,693.32
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Titan Controls® Atlas® 2 - Preset CO2 Monitor/Controller Preset CO2 control at 1500 PPM. Built-in...
Titan Controls Atlas 2 - Preset CO2 Monitor/Controller

Titan Controls Atlas 2 - Preset CO2 Monito...

$430.80
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Active Air Hygro-Thermometer You'll find multiple uses for and multiple places to put this Active...
Active Air Hygro-Thermometer - Dutchman's Hydroponics & Garden Supply

Active Air Hygro-Thermometer

$24.93 $32.93
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The Autopilot ECLIPSE F90 Master Environmental Controller allows growers to precisely control and...
Autopilot ECLIPSE F90 Master Environmental Controller

Autopilot ECLIPSE F90 Master Environmental...

$779.93
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Quest Overhead Dehumidifier Hanging Bracket Quest Overhead Dehumidifier Hanging Bracket for Dual ...
Quest Overhead Hanging Bracket (Dual 105, 155, 205 & 225)

Quest Overhead Hanging Bracket (Dual 105, ...

$27.00 $4,031.94
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Quest Dual 225 Overhead Dehumidifier - 230 Volt The Quest Dual 225 is the industry’s first 230 V ...
Quest Dual 225 Overhead Dehumidifier 230 Volt

Quest Dual 225 Overhead Dehumidifier 230 Volt

$4,031.94
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The XGC-1 Xtreme Greenhouse Controller from C.A.P. controls ALL your equipment with ONE compact, ...
Extreme Greenhouse Controller - Dutchman's Hydroponics & Garden Supply

Extreme Greenhouse Controller

$699.00 $899.00
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Grozone TV12 - Day/Night Variable Speed Fan Controller Cooling Thermostat  55°F to 95°F (13°C to...
GroZone TP12 - Adjustable Differential D/N Temp Stat

GroZone TP12 - Adjustable Differential D/N...

$117.93
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Grozone TP24H 24H timer & high temp shut-off in one single controllerDesigned to control ligh...
GroZone TP24H

GroZone TP24H

$143.93
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The CGC-1e Complete Greenhouse Controller controls all of the main devices required in today's mo...
CGC-1e complete greenhouse controller

CGC-1e complete greenhouse controller

$329.00 $460.93
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GroZone TV2 Multimode Fan Speed Control Temp -2V Automatic fan speed controller with adjustable i...
GroZone TV2 Multimode Fan Speed Control Temp -2V - Dutchman's Hydroponics & Garden Supply

GroZone TV2 Multimode Fan Speed Control Te...

$118.93 $136.30
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The C.A.P. PPM-3 is the easiest and most affordable CO2 Monitor and Controller available today… I...
PPM-3 CO2 Monitor/Controller - Dutchman's Hydroponics & Garden Supply

PPM-3 CO2 Monitor/Controller

$429.00 $479.00
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Increases or decreases the humidity levels in your garden. Compatible with any equipment operatin...
Humidity Controller 15 amp - CAP

Humidity Controller 15 amp - CAP

$139.93
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GroZone TP1 Day / Night T° Controller Temp Day/Night temperature controller Heating or cooling 5...
GroZone TP1 Day / Night T° Controller Temp -1 - Dutchman's Hydroponics & Garden Supply

GroZone TP1 Day / Night T° Controller Temp -1

$107.38
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