Your numbers look great except for your CH which is a little low for a concrete/plaster pool.
You can raise CH with calcium carbonate or Cal-Hypo (also a chlorine source).
But you cannot raise CH with Baking soda.
Re: CH question / problem?
Your numbers look great except for your CH which is a little low for a concrete/plaster pool.
You can raise CH with calcium carbonate or Cal-Hypo (also a chlorine source).
But you cannot raise CH with Baking soda.
Carl
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