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91 products

Showing 1 - 48 of 91 products

Showing 1 - 48 of 91 products
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QUEST MERV 13 FILTER 12″x14"x1″FOR QUEST 100
GROZONE USCO2 ULTRA SIMPLE CO2 CONTROLLER 0-1600PPM
THERMO-HYGROMETER MIN-MAX SH-110
BioFloral

THERMO-HYGROMETER MIN-MAX SH-110

SKU : 45108

Sale price$32.95
Save $11.50
INTERMATIC TIMER T-104 220 V
Intermatic

INTERMATIC TIMER T-104 220 V

SKU : 47112

Sale price$109.90 Regular price$121.40
QUEST MERV 13 FILTER 20''x22''x2'' FOR QUEST 335
QUEST MERV11 FILTER 16''x20''x2'' FOR 105-155-165-205-225
QUEST MERV 13 FILTER 9''x11''x1'' FOR Q70
Quest

QUEST MERV 13 FILTER 9''x11''x1'' FOR Q70

SKU : 45074

Sale price$34.99
HYDROFARM JUMP START DIGITAL THERMOSTAT FOR HEATING MAT
GROZONE LS240GP-2 LOAD SWITCHER
Grozone

GROZONE LS240GP-2 LOAD SWITCHER

SKU : 36135

Sale price$77.85
GROZONE CANDLE FOR PROPANE
Grozone

GROZONE CANDLE FOR PROPANE

SKU : 36121

Sale price$12.50
GROZONE TP2 ADJUSTABLE DIFFERENTIAL TEMPSTAT TEMP-2
MARINA FLOATING AQUARIUM THERMOMETER
Marina

MARINA FLOATING AQUARIUM THERMOMETER

SKU : 45120

Sale price$3.75
INTERMATIC 3 PINS TIMER
Intermatic

INTERMATIC 3 PINS TIMER

SKU : 47116

Sale price$35.70
HYDROFARM TIMER 24H CYCLE / INTERVALS 15 MIN
Save $5.20
INTERMATIC TIMER T-103 120 V/240 V
Intermatic

INTERMATIC TIMER T-103 120 V/240 V

SKU : 47111

Sale price$112.90 Regular price$118.10
ON/OFF PIN FOR T-101, T-103 AND T-104
Save $46.05
INTERMATIC ELECTRONIC TIMER 24HRS
Intermatic

INTERMATIC ELECTRONIC TIMER 24HRS

SKU : 47090

Sale price$279.90 Regular price$325.95
HYDROFOGGER AIR FILTERS (6)
Hydrofogger

HYDROFOGGER AIR FILTERS (6)

SKU : 45023

Sale price$34.15
HYDROFOGGER AIR FILTERS FOR MINIFOGGER (6)
HYDROFOGGER ANTIMICROBIAL BIOCUBES (6)
HYDROFOGGER SHUT-OFF VALVE
Hydrofogger

HYDROFOGGER SHUT-OFF VALVE

SKU : 45020

Sale price$13.75
HYDROFOGGER POLYETHYLENE TUBING 1/4''  X 25'
HYDROFOGGER SELF-TAPPING SADDLE VALVE
HYDROFOGGER 1/4'' BULKHEAD FITTING + 2 WASHERS WHITE
HYDROFOGGER 3/4'' FEMALE ADAPTER WITH 1/4'' TUBE PLUG
Save $18.99
HYDROFOGGER HUMIDISTAT 300HH
Hydrofogger

HYDROFOGGER HUMIDISTAT 300HH

SKU : 45014

Sale price$199.90 Regular price$218.89
Save $142.10
HYDROFOGGER MINIFOGGER HUMIDIFIER
Hydrofogger

HYDROFOGGER MINIFOGGER HUMIDIFIER

SKU : 45013

Sale price$659.90 Regular price$802.00
Save $282.50
HYDROFOGGER HUMIDIFIER
Hydrofogger

HYDROFOGGER HUMIDIFIER

SKU : 45012

Sale price$859.90 Regular price$1,142.40
QUEST DRAIN KIT FOR DEHUMIDIFIER
Quest

QUEST DRAIN KIT FOR DEHUMIDIFIER

SKU : 45097

Sale price$145.25
QUEST DEH 3000R DIGITAL HUMIDITYSTAT
Quest

QUEST DEH 3000R DIGITAL HUMIDITYSTAT

SKU : 45088

Sale price$579.99
QUEST MERV 8 FILTER 17.5″X14″X1.75″ FOR DUAL 110&150
QUEST XT HANGING BRACKETS 5 SERIES-DUAL-Q100 (2)
QUEST MERV 13 FILTER 18''x20''x2'' FOR QUEST 506-746- 876
QUEST 70/110/150 HANGING KIT
Quest

QUEST 70/110/150 HANGING KIT

SKU : 45073

Sale price$174.99
QUEST MERV 8 PRE-FILTER 18''x18''x1'' FOR QUEST H5 HEPA
QUEST HEPA FILTER 18''x18''x2.5'' FOR QUEST H5
Save $31.59
QUEST H5 HEPA AIR SCRUBBER
Quest

QUEST H5 HEPA AIR SCRUBBER

SKU : 45070

Sale price$1,399.90 Regular price$1,431.49
QUEST RETURN DUCT KIT FOR DUAL 105-155-165-185-205-225
QUEST INTAKE DUCT KIT FOR QUEST 506 AND 876
Quest

QUEST INTAKE DUCT KIT FOR QUEST 506 AND 876

SKU : 45065

Sale price$1,089.99
QUEST EXHAUST DUCT KIT FOR 506
Quest

QUEST EXHAUST DUCT KIT FOR 506

SKU : 45064

Sale price$419.99
QUEST INTAKE / OUTTAKE DUCT KIT FOR QUEST 335
QUEST DUCT KIT FOR QUEST 70
Quest

QUEST DUCT KIT FOR QUEST 70

SKU : 45059

Sale price$109.99
QUEST MERV 13 FILTER 18''x18''x2'' FOR QUEST 155-205-225
QUEST DUCT KIT FOR DUAL 225 (New Version)+155+205
GARDEN CONTROLS FAN CONTROLLER
Garden Controls

GARDEN CONTROLS FAN CONTROLLER

SKU : 36362

Sale price$74.10
WIRE 6' WITH PIGGYBACK PLUG 120V FOR THERMOSTAT
AIR COMFORT - CONNECTED HYGROMETER
AIR COMFORT

AIR COMFORT - CONNECTED HYGROMETER

SKU : 45004

Sale price$19.99
GARDEN CONTROLS COOLING THERMOSTAT (1)

91 products

Showing 1 - 48 of 91 products

Climate Control and CO2

FAQ

Most plants thrive between 20 and 28°C (68 and 82°F) during the lights-on period, with temperatures dropping by 5-10°C during dark cycles. Seedlings prefer the warmer end of this range, while flowering plants often benefit from slightly cooler conditions. Quality climate controllers let you program these temperature transitions automatically, mimicking natural day-night cycles that optimize plant metabolism and growth.

Humidity directly impacts transpiration, nutrient uptake, and disease resistance. Seedlings and clones require 65-75% relative humidity; vegetative growth thrives at 55-65%; and flowering plants perform best at 40-50% to prevent mold. Controllers with humidity sensors automatically trigger dehumidifiers or humidifiers, maintaining ideal humidity ranges throughout each growth stage without constant manual adjustment.

CO₂ enrichment significantly increases photosynthesis rates when other conditions are optimized, particularly with high-intensity LED grow lights, adequate nutrients, and proper temperature control. Sealed tents benefit most from CO2 supplementation to 1000-1500 PPM during lights-on periods. Without environmental controllers to monitor and maintain precise levels, CO₂ supplementation offers minimal benefit and wastes resources.

Advanced environmental controllers from brands like TrolMaster offer multiple sensor inputs and device outputs, managing temperature, humidity, CO2, lighting schedules, and even irrigation from a single interface. These integrated systems provide coordinated environmental control, in which cooling triggers are adjusted based on humidity levels and CO2 injection pauses during ventilation cycles for maximum efficiency.

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