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  1. M

    low TA high pH; please help

    OK - noob here, trying my best to get my spa in order. first, the setup: 850 gal in ground pebble spa with waterfall Chlorine from SWG Water is usually kept at whatever temp then sun makes it (73-80 this month); We'll bump it up to 90 to use it (the kids don't like it much hotter than that) and...