iGS-221 CO2/RH/Temp Smart Controller commercial-greenhouse-fixtures or cucumbers

or cucumbers

• Multifaceted design provides superior uniformity

Calcium Nitrate

and they feature a highly precise microprocessor and four-way output control

- Smart automatic self adjustment of operation differential to keep conditions closest to set points

iGS-221 CO2/RH/Temp Smart Controller commercial-greenhouse-fixtures or cucumbersOne 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