Recent content by Humid

CYA test were all performed by watching for the black dot. Multiple people and locations had consistent result. Measurement error could enter if other problems would add to the clouding after reagent is added. So at 90 CYA, I require 35 ppm FC- current level 4 ppm = 31ppm at 13700 gal = ~7 gal...

New pool in May. Mistakenly listened to local Pool Supplier clerks and was using tri-chlor floater with di-chlor for shocking. All that ,after pool install instructions advised me to add 1 LB "stabilizer" in skimmer at start-up. Water looked good for 6 weeks until it rained. Since then, I...