This incredibly reliable, extremely affordable CO2 monitor effortlessly maintains your CO2 levels between 1,300 and 1,500 PPM. This monitor/controller can be used with any CO2 generator or bottle regulator on the market.
A green LED display allows you to check your CO2 levels at glance. While a powerful 5 Amp relay allows you to control pumps or other high amperage devices.
This little gem features a high-quality Senseair brand CO2 detector, resulting in an incredibly low failure rate—this is a monitor that will work out of the box and keep working for many years to come. It’s also self-calibrating.
User Manual (PDF Version):