If I have not posted on this thread before, I strongly suggest that everybody learn how a CaRx works and how to hand tune it before you allow a pH controller to run the thing based on the readings of perhaps the single lease reliable piece of equipment in our hobby - the pH probe. This way, when it fails or drifts, you will know how to spot it and how to fix it.
Side tip: once you learn how, and it is easy once you dig it, you will never want to do it any other way. It will be more efficient and not throw as much raw co2 into your tank (pH will be higher) and your bottle will last longer.
There are some incoherent ramblings in a paper attached in my signature.
Side tip: once you learn how, and it is easy once you dig it, you will never want to do it any other way. It will be more efficient and not throw as much raw co2 into your tank (pH will be higher) and your bottle will last longer.
There are some incoherent ramblings in a paper attached in my signature.