CO2 regulator+solenoid-- best type, advice pls

[Jude]

Hi everyone,
I was hoping someone could recommend a good regulator+solenoid for use on a CO2 tank on my calcium reactor or to inject CO2 into my tank, via a controller, for Ph.

Thanks for reading.

 

[blenny90]

We bought ours at Marine Depot ... the $144 job. The needle valve is the key, very sensitive with micro control - we are happy with it.

 

[®eefer]

Go with a flow meter for the CO2 vs. a needle valve. A flow meter is much more accurate and easy to adjust. It's about $40 from Dwyer instruments. Look for a RMA-151-SSV. You can just call and order from them. Marine Depot's Solenoid is pretty decent, I have one and love it. Be sure to buy some of their CO2 proof air tubing. 99 cents a foot, but it's real sturdy.