I have a CAT4000 connected to a 50,000 gallon pool and a CAT2000 connected to a 2500 gallon hot tub. Both use acid feed to control pH. Do I need to dilute the acid before I feed it or can I use straight muriatic acid?
I think the only reason you would need to dilute it is if you need a lower setting. Meaning, you have it on the lowest setting and it's still dispensing too much.
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