cya and chlorine

Hello, Still interested in the theory and consequences of chlorine protection from UV by CyA, I'm looking for data published in scientific or technical papers relating to measurements concerning this protection. I have seen, here and there, mentions of such papers as well as curves "based" on...

I’ve got a new 13,500 gallon above ground with fresh water and the recommended level of salt (actually 50lbs short of 400 just in case it would go too high) added 3 days ago. I’m not near a pool store and won’t make it for two days and my salt test/k-2000 kit won’t arrive till after that. The...

Hey, I'm Karen, Just getting started here on this site and have been reading for hours. My husband and I have had a pool for a few years now, and up until now, have almost always been able to keep it pretty. It has turned green this time, and through this site have learned that thr reason why...