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  1. DrWho

    Has anyone had calcium buildup anywhere in their systems pouring Cal Hypo into skimmer?

    Hi! I see no calcium buildup yet, but want to be on the lookout. Couldn't find enough 12% bleach this year (been using bleach 6 years), so went to 73% Cal Hypo for the first time. No matter how much I stir that stuff in a bucket, it won't fully dissolve for like 24 hours (even with repeated...