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Why am I losing so much chlorine? Using the pool math app, I’ve had to add 3 gallons of bleach in a week! This is a brand new 16k gal hard side above ground pool. Only up a month. Kids only swam for 2 hours yesterday. Other than that, no swimming. Outside Temps are only 75-80 every day for the...

Hi. New to pools and just started up our 16,200 gal semi-inground pool with cartridge filter. Have the in-line Frog mineral system set up as well (before I knew about the BBB and this website). I will use the Frog chlorine tabs until I run out, but can I switch to BBB method, even with the...