This professional grade aquatic CO2 controller kit comes ready with bubble counter, extra regulator seals and electromechanically operated on/off solenoid valve that can be used with a pH controller or timer.
It is made of heavy duty materials making it extremely dependable and ideal for planted aquariums as well as calcium reactors.
Dual Gauge displays canister pressure & CO2 volume output.
CO2 tank not included.
This is a nice piece of equipment. It looks like I paid more for it than I did. It is solid and heavy.