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Temp / Humidity Control

BAY HYDRO LLC has the largest selection of temperature, humidity, & CO2 controllers to keep your garden thriving. BAY HYDRO is Your One Stop Garden Shop.

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Active Air Commercial Dehumidifier 100 Pint
Active Air Commercial Dehumidifier 100 Pint
UNFORTUNATELY THIS PRODUCT HAS BEEN DISCONTINUED OR NO LONGER STOCKED AT THIS TIME.
$734.95
Active Air Commercial Dehumidifier 180 Pint
Active Air Commercial Dehumidifier 180 Pint
UNFORTUNATELY THIS PRODUCT HAS BEEN DISCONTINUED OR NO LONGER STOCKED AT THIS TIME.
$1,049.95
Active Air Commercial Dehumidifier 60 Pint
Active Air Commercial Dehumidifier 60 Pint
UNFORTUNATELY THIS PRODUCT HAS BEEN DISCONTINUED OR NO LONGER STOCKED AT THIS TIME.
$480.95
Active Air Dehumidifier 45 Pint
Active Air Dehumidifier 45 Pint
UNFORTUNATELY THIS PRODUCT HAS BEEN DISCONTINUED OR NO LONGER STOCKED AT THIS TIME.
$262.95
Active Air Dehumidifier 70 Pint
Active Air Dehumidifier 70 Pint
UNFORTUNATELY THIS PRODUCT HAS BEEN DISCONTINUED OR NO LONGER STOCKED AT THIS TIME.
$325.95
Active Air Dehumidifier 95 Pint
Active Air Dehumidifier 95 Pint
UNFORTUNATELY THIS PRODUCT HAS BEEN DISCONTINUED OR NO LONGER STOCKED AT THIS TIME.
$577.95
Active Air Hygro-Thermometer
Active Air Hygro-Thermometer
$24.95
Add To Cart
Active Air Indoor-Outdoor Thermometer W/ Hygrometer
Active Air Indoor-Outdoor Thermometer W/ Hygrometer
$23.95
Add To Cart
Aprilaire Digital Humidistat for Steam Humidifier
Aprilaire Digital Humidistat for Steam Humidifier
$416.95
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Aprilaire Color Touchscreen Wi-Fi Automation IAQ Thermostat
Aprilaire Color Touchscreen Wi-Fi Automation IAQ Thermostat
$477.95
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Aprilaire Dehumidifier Hanging Kit
Aprilaire Dehumidifier Hanging Kit
$157.95
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Aprilaire Dehumidifier 130 pints/day
Aprilaire Dehumidifier 130 pints/day
$1,889.95
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Aprilaire Dehumidifier 70 pints/day
Aprilaire Dehumidifier 70 pints/day
$1,386.95
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Aprilaire Dehumidifier 95 pints/day
Aprilaire Dehumidifier 95 pints/day
$1,469.95
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Aprilaire Digital Dehumidifier Control
Aprilaire Digital Dehumidifier Control
$110.95
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Aprilaire Touchscreen Wi-Fi Automation IAQ Thermostat
Aprilaire Touchscreen Wi-Fi Automation IAQ Thermostat
$363.95
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Aprilaire Touchscreen Wi-Fi Automation Thermostat W/ Integrated IAQ Solution
Aprilaire Touchscreen Wi-Fi Automation Thermostat W/ Integrated IAQ Solution
$293.95
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Autopilot Analog Environmental Controller
Autopilot Analog Environmental Controller
UNFORTUNATELY THIS PRODUCT HAS BEEN DISCONTINUED OR NO LONGER STOCKED AT THIS TIME.
$146.95
Autopilot Greenhouse Master Controller
Autopilot Greenhouse Master Controller
UNFORTUNATELY THIS PRODUCT HAS BEEN DISCONTINUED OR NO LONGER STOCKED AT THIS TIME.
$488.95
C.A.P. ART-DNe Adjustable Recycling Timer
C.A.P. ART-DNe Adjustable Recycling Timer
UNFORTUNATELY THIS PRODUCT HAS BEEN DISCONTINUED OR NO LONGER STOCKED AT THIS TIME.
$81.95
C.A.P. Atmosphere Controller Temp & Humidity 15A@120V Combined
C.A.P. Atmosphere Controller Temp & Humidity [email protected] Combined
$141.95
Add To Cart
C.A.P. CGC-1e Complete Greenhouse Controller (W/ ppm option)
C.A.P. CGC-1e Complete Greenhouse Controller (W/ ppm option)
UNFORTUNATELY THIS PRODUCT HAS BEEN DISCONTINUED OR NO LONGER STOCKED AT THIS TIME.
$388.95
C.A.P. CO2-2e CO2 Temperature & Humidity Controller W/ ppm option
C.A.P. CO2-2e CO2 Temperature & Humidity Controller W/ ppm option
UNFORTUNATELY THIS PRODUCT HAS BEEN DISCONTINUED OR NO LONGER STOCKED AT THIS TIME.
$242.95
C.A.P. TMP-1 Cooling & Heating Controller 50-115F 15A @ 120V
C.A.P. TMP-1 Cooling & Heating Controller 50-115F 15A @ 120V
UNFORTUNATELY THIS PRODUCT HAS BEEN DISCONTINUED OR NO LONGER STOCKED AT THIS TIME.
$62.95
C.A.P. TMP-DNe Day/Night Cooling & Heating Thermostat
C.A.P. TMP-DNe Day/Night Cooling & Heating Thermostat
UNFORTUNATELY THIS PRODUCT HAS BEEN DISCONTINUED OR NO LONGER STOCKED AT THIS TIME.
$78.95
C.A.P. VSC-DNe Day/Night Adjustable Fan Speed Controller
C.A.P. VSC-DNe Day/Night Adjustable Fan Speed Controller
UNFORTUNATELY THIS PRODUCT HAS BEEN DISCONTINUED OR NO LONGER STOCKED AT THIS TIME.
$94.95
Eva-Dry E-333 Mini-Dehumidifier
Eva-Dry E-333 Mini-Dehumidifier
$21.95
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Eva-Dry E-500 Mini Renewable Wireless Dehumidifier
Eva-Dry E-500 Mini Renewable Wireless Dehumidifier
$29.95
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Eva-Dry EDV-1100 Petite Mini-Dehumidifier
Eva-Dry EDV-1100 Petite Mini-Dehumidifier
$57.95
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Eva-Dry EDV-2200 2 Pint Mini-Dehumidifier
Eva-Dry EDV-2200 2 Pint Mini-Dehumidifier
$104.95
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Grozone Control CO2D 0 - 5000 PPM Dual Zone CO2 Controller
Grozone Control CO2D 0 - 5000 PPM Dual Zone CO2 Controller
$791.95
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Grozone Control SCO2 0 - 5000 PPM CO2 Controller - Simple One Series
Grozone Control SCO2 0 - 5000 PPM CO2 Controller - Simple One Series
$439.95
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Harvest-Master Climate Controller Pro
Harvest-Master Climate Controller Pro
UNFORTUNATELY THIS PRODUCT HAS BEEN DISCONTINUED OR NO LONGER STOCKED AT THIS TIME.
$1,699.95
Intelligent Growing Systems CO2 Controller W/ High-Temp Shutoff
Intelligent Growing Systems CO2 Controller W/ High-Temp Shutoff
$406.95
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Intelligent Growing Systems Day and Night Cycle Timer W/ Display
Intelligent Growing Systems Day and Night Cycle Timer W/ Display
$125.95
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Intelligent Growing Systems Day and Night Humidity Controller W/ Display
Intelligent Growing Systems Day and Night Humidity Controller W/ Display
$141.95
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Intelligent Growing Systems Day and Night Temperature Controller W/ Display
Intelligent Growing Systems Day and Night Temperature Controller W/ Display
$126.95
Select Options
Intelligent Growing Systems Lighting Timer W/ High-Temp Shutoff
Intelligent Growing Systems Lighting Timer W/ High-Temp Shutoff
UNFORTUNATELY THIS PRODUCT HAS BEEN DISCONTINUED OR NO LONGER STOCKED AT THIS TIME.
$125.95
LTL ELEMENT1 Analog Atmosphere Control 4-outlets
LTL ELEMENT1 Analog Atmosphere Control 4-outlets
$108.95
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LTL ELEMENT2 Basic Digital Atmosphere controls 4-outlets
LTL ELEMENT2 Basic Digital Atmosphere controls 4-outlets
$147.95
Add To Cart
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