I did an overnight free chlorine test. Was about 8.5 last night and 7.5 this am, however it rained pretty heavily overnight. pool is and was crystal clear. Can i assume this is a pass and likely impacted by the rain and retest again when no rain?
Also, i am going away for 2 days. should i double up on the chlorine i add before i go?
Also, i am going away for 2 days. should i double up on the chlorine i add before i go?