So sorry!!! The pool is PERFECT!!!! Every test has been spot on!!! We are just thrilled!!! It is the clearest it has EVER been!!! I do have one question tho---we cleaned the filter & have backwashed 2x since then...it is past needing backwashed again, so should we clean the filter again or just backwash it? We have researched how often to clean the filters but nothing really answers the question! THANK YOU ALL SOOOOOO MUCH!!!