Hello fellow pool-ees. I live in Phoenix and have been going to my local Checker Pool Supply for many yrs when needing pool care. Quite a long time actually. Since going with my parents as a kid.
I've been taking care of my own pool (25k IG, pebble) about 4yrs. I have always been told my pool's various levels are basically fine, but I need higher chlorine levels or shock (when green). So caring for our pool has been this: pool starts to look greenish, we dump in loads of trichlor granules, tabs, sometimes algaecide. Pool looks ok a few wks, then repeat cycle. Always keeping trichlor in float.
Recently the high temps have risen to consistently over 100F. And of course, my pool started looking green. I got trichlor and skill-it to deal with it, as pool store advised. It didnt help, so we put in MORE. Didnt help. I started thinking how over time we seem to put more and more chlorine in with lesser effect.
I got on line for answers and saw a post from Chem Geek describing what sounded like my situation. He wrote how high Cyanuric acid could make chlorine ineffective and how it climbs 5-7ppb per every 10 with tri- di- and cal-hypo, I think. I had NEVER heard of this and so had NO IDEA we were steadily raising the CYA with regular loads of trichlor used over these past 4yrs. I was getting upset.
So, I call the pool store and tell the guy whats up, and he says I need more shock probably. I ask, what about the CYA? Could it be too high? He says, well if its been the same water for 4yrs, it's prob sky high! Im wondering, if he knows this why werent we warned?! Nobody ever cautioned us to keep it in check with SO MUCH trichlor use. So I ask what to do, drain it? He says its too hot. We'll have to put in MORE shock, algaecide... maybe clarifier, til it works, and that theres been a lot of 'resistent' algae going around. By this time Im pretty angry.
We ended up having Leslies test the water and it showed this:
Right now the lows in Phoenix are around 80F. Is it possible I could drain it btwn 12am and 3am as much as possible. Then refill it btwn 3am and 6am - while sprayg the sides down to protect it from drying out? We already spent over $140 on shock, tabs, and skill-it, so I fear dumping in more (pool still green!!) will cost a fortune at the levels it needs with 130ppb CYA. HELP PLEASE.
The water is deep green now and I want to clear it up before algae spots are sticking to walls. Should I use phosphate remover? clarifier? (never tried)
25k IG pebble pool, Pentair sand filter, Barracuda G3