Henry wrote:

I have switched from a DIY yeast C02 system to a pressurized system and all
is going well. At this point I am just running the Co2 into an Eheim
diffuser 24 hours a day. I am considering going the Controller/solenoid
route ..... just considering it at this point as the 24 hr a day method does
seem to be working out

Our question to you is, what problem with 24 hour/day CO2 are you trying to
solve?