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I am working on setting up and dialing in my calcium reactor and am wondering how long most people run their's a day (i.e. 24/7, a couple hours a day, etc.). I have it all set up to my controller and am currently running the ph in the reactor at 6.5. When the solenoid is open its bubbling at about 1 bubble every 3 seconds. (a good starting point per Melev's article). I currently have the feed pump set up to run 3 hours a day but I'm pretty sure this isn't going to dose anywhere near enough with ...