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Co2

Active Air CO2 tubing, 100′, drilled

Active Air 100 ft. CO2 Drilled Tubing. Use with CO2 regulator and tank to evenly distribute CO2 to your grow area and plants.

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Active Air CO2 Test Kit

We recommend measuring CO2 periodically to ensure optimum levels of growth. The Active Air CO2 Test Kit is an inexpensive alternative to costly electronic monitors. Use the tester kit to gauge proper CO2 level,…

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Active Air Replacement CO2 Gas Detection Tubes, 300-5000 ppmv, pack of 10

Active Air replacement CO2 gas detection tubes. For measuring CO2 levels, can measure 300–5000 ppmv. Sold in packs of 10.

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Active Air COSYS & COSYS20 Replacement Solenoid

Solenoid for Hydrofarm's Active Air COSYS and COSYS20. This solid design includes valve, DIN & cord system. Replacement Part.

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Active Air CO2 Regulator Inlet Washer

Active Air washer O-ring for CO2 regulator inlet (replacement O-ring used where the regulator meets your CO2 tank for a tight seal).

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Active Air CO2 System with Timer, 0.2-2 cubic ft per hour

Deliver growth-boosting CO2 with our user-friendly, easy to operate system. With its programmable timer, it will automatically maintain ideal CO2 levels for optimum growth. For small to medium size areas, select the…

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Active Air CO2 System with Timer, 1-20 cubic ft per hour

Deliver growth-boosting CO2 with our user-friendly, easy to operate system. With its programmable timer, it will automatically maintain ideal CO2 levels for optimum growth. For small to medium size areas, select the…

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Active Air CO2 Tubing, 20′, Drilled

Active Air 20 ft. CO2 Drilled Tubing. Use with CO2 regulator and tank to evenly distribute CO2 to your grow area and plants.

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