EcoTechnics Evolution PPM Controller Plagron Bio Balancer contains a mixture

Bio Balancer contains a mixture of the foods for beneficial micro-organisms

and resin content for a cleaner finish

or heavy feeding

which provides a source of potassium

or it can used to switch on a heater if the temperature gets too cold

EcoTechnics Evolution PPM Controller Plagron Bio Balancer contains a mixturePlease note: This item is purchase to order. Monitor, Control and Supplement your CO2 Supply with the EcoTechnics Evolution PPM Controller Once you've mastered the art of indoor gardening, take the plunge into growing with supplemental CO2, using the simple yet effective EcoTechnics Evolution PPM Controller. Both smart and stylish, the EcoTechnics Evolution PPM controller can be attached to either a CO2 regulator and solenoid valve or a propane gas