CO2 Sensor for Hydro-X only（MBS-S8） weight Use sites: Opal can be

Use sites: Opal can be used outdoors

and offer long-lasting structure to your growing medium

particularly in acid soils

MagnifiCal is super chelated

Replaceable carbon pre-filter - More earth friendly and affordable to change only the filter not the entire housing

CO2 Sensor for Hydro-X only（MBS-S8） weight Use sites: Opal can beThe optional TrolMaster CO2 Sensor (MBS S8) measures the CO2 PPM within the growing area. Using the MBS S8 allows the users to connect and control their supplemental CO2 system using the Hydro X. *Used in combination with one or more DSC 1 CO2 device modules. "Sensors should remain dry and clean to prevent premature failure. Do not spray foreign substances or allow water condensate on the sensors"