iGS-221 CO2/RH/Temp Smart Controller bloom Dimensions: 1

Dimensions: 1

This mix has been extensively tested and you will see the results of our efforts when adding this excellent high porosity blend into your garden

- Yearly easy calibration by the user when prompted on display

receipt from shop purchased and original packaging

• Reduce oxidative stress/ozone issues

iGS-221 CO2/RH/Temp Smart Controller bloom Dimensions: 1One simple controller to manage ALL of your indoor garden's climate parameters! The iGS 221 can operate the intake and exhaust fans cyclically to replenish the garden's atmosphere in oxygen as it is needed for the plants and for safe CO2 combustion generator operation. When a CO2 combustion generator (propane or natural gas) is used to raise the CO2 level, ventilation for at least 2 to 5 minutes is mandatory to replenish the oxygen supply required by