Newbie to the forum and to owning a pool. I have a question on CH. I see in the Pool School under ABCs of Chemistry that CH doesn't matter for a vinyl pool, but then under the Recommended Levels thread, it recommends 50-300. My pool store gave me some "CH raiser" as part of the start up kit. Wondering if I need to bother. Is it bad to have it too low? (and no I haven't tested the level yet, the pool store did though, but I didn't get the number).
Love the forum!