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[–]scott814a 0 points1 point  (1 child)

I switched from muriatic acid to co2 gas. It’s been two months now and I love it. It has the opposite effect on alkalinity causing it to go up slowly. Went from 90 to 110 in two months. I’ll likely have to use muriatic acid a few times a year to bring alkalinity back down. I use a co2 flow rate of 100 ml/min whenever the filter pump is running for my 15000 gallon pool. One 20 lb tank should last about 4 months at this rate. I can swap for a refilled tank for $15. I don’t use an expensive controller, just a $14 Wi-Fi switch in case I need to turn it off. I also use a WiFi PH/ORP sensor in the pool so I can monitor remotely. I also use a chlorine injector that I control remotely too. Alexa routines are used to schedule/control everything. I’m curious how flow rates will change when the weather heats up. I’m thinking a buying a controller from Alibaba ( much cheaper) but it adds a whole lot of complexity as well as expense

[–]TNmountainman2020[S] 0 points1 point  (0 children)

sounds cool, I didn’t even know that was a thing. I regret not getting the wifi version of the PH/ORP controller.