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Green CO2 Systems

Grow CO2 controller with solenoid valve

The grow co2 controller holds enrichment at canopy height, follows your light schedule automatically, and shuts off when the room goes dark so you are not paying to enrich a sleeping canopy.

The Green CO2 Systems Grow CO2 Controller with solenoid valve and built in photocell.

Specification

Range
Adjustable in 50 ppm increments, from 700 ppm to 2000 ppm
Accuracy
Maintains PPM within plus or minus 40 ppm of the desired set point
Light sync
Built in photocell comes on with your light schedule and turns off when the room goes dark
Harvest mode
OFF setting for harvesting times
Placement
Installed at canopy (foliage) height for accurate readings at the enrichment height
Readout
Real time PPM level readings on the MK9 central unit
Certification
UL Listed

From our spec sheet, word for word

  • Adjustable settings at 50 ppm increments ranging from 700 ppm to 2000 ppm
  • Has OFF setting for harvesting times
  • Built in photocell that comes on with your light schedule and turns off when the room goes dark
  • Installed at Canopy (Foliage) Height to allow for accurate readings at the appropriate enrichment height
  • Real time PPM level readings on Mk9 Central Unit
  • Maintains PPM levels within +/- 40 ppms of desired set point
  • UL Listed

Speak with a Territory Sales Manager

Room volume, light schedule and sealing all change the answer. We measure them.

Plus or minus 40 ppm is the number that matters

A controller that swings widely around its set point gives you the average you asked for and the results of something worse. Plants respond to the conditions they are actually in, not to a monthly average.

Holding within 40 ppm means the canopy sits in the intended range essentially all the time, which is the difference between enrichment being a yield strategy and enrichment being an expense.

The photocell, and why it pays for itself

Plants do not photosynthesize in the dark, so CO2 released during the dark period is gas you bought and vented. The built in photocell ties enrichment to your light schedule automatically, with no timer to set and nothing to get out of sync when the schedule changes.

The OFF setting covers harvest, when the room is occupied by people rather than plants and enrichment is exactly what you do not want.

Working with the safety system

The controller reports real time PPM to the MK9 central unit, so enrichment and life-safety monitoring share one readout. That matters at inspection, and it matters operationally because a controller failing high is immediately visible.

A CO2 PPM controller that holds its set point

A grow room CO2 controller that swings widely around its target gives you the average you asked for and the results of something worse, because plants respond to the conditions they are actually in rather than to a monthly mean.

This CO2 PPM controller holds within plus or minus 40 ppm, which is what turns enrichment from an expense into a yield strategy.

Common questions

It depends on lighting, genetics and how well the room is sealed, which is why it is adjustable across 700 to 2000 ppm in 50 ppm steps. Your cultivation lead sets the target; the equipment holds it.

No. The built in photocell follows your existing light schedule directly.

Yes, which matters for both insurance and inspection in most jurisdictions.

Get enrichment specified for your room

Room volume, light schedule and sealing all change the answer. We measure them.

Call 877-CO2-FOR-UFree assessment