Grozone C02D 0-5000 ppm Dual Zone CO2 Controller water filter parts If you do not want

If you do not want to use a drainage layer of clay pebbles

This product helps growers finish their nutrient program with a simple

Hardness: < 6 gpg (103 mg/l)

First add a basic fertilizer in the tray (eg

Grozone C02D 0-5000 ppm Dual Zone CO2 Controller water filter parts If you do not wantDiscover the Grozone C02D 0 5000 ppm Dual Zone CO2 Controller C02D 0 5000 ppm Dual Zone CO2 Controller Controls the CO2 levels in two zones (or two rooms) simultaneously. Review performance by reading through the integrated 24 hour data logger (minimum, maximum and average values for each hour of operation). Special operating mode to operate two zones with only one CO2 generator. Zone remote sensors include 25 ft cables. Affordable alternative when