Which comes first….

heagarty5

Silver Supporter
Jun 15, 2023
4
Tennessee
Pool Size
19000
Surface
Fiberglass
Chlorine
Salt Water Generator
SWG Type
Jandy Aquapure 700
So my FC will not stabilize. Had it tested and it was .14. CYA was also super low at 5. Followed Leslie’s instructions and shocked it and added their instant conditioner. FC came up some and of course stabilizer takes awhile to show impact. Decided to follow SLAM directions from here and added a gallon of liquid chlorine last night which brought it up to about 3. But by this morning it is back to zero basically.

So something is eating my chlorine. So my question is if I need stabilizer to help maintain the FC but it takes so long for the added stabilizer to show up on a test, then how do I know how much of each to add to SLAM it. If my CYA is basically nothing per my Taylor test, then won’t FC just keep getting burnt off until I get my CYA up? But if takes a week to register on the test then I have to wait a week to accurately SLAM the pool?

Thanks for any help! We don’t a have a leak but it’s hot here so will need to add an inch of water to the pool today if it doesn’t rain this afternoon.
 
Well you’re burning off your FC quickly so granular stabilizer via the sock method should be added. Start off by getting it to 30ppm. Plug your numbers into PoolMath to determine the amount. It will register in 2-3 days per my experience. In the meantime, I’d be adding 5ppm at a minimum of FC daily, checking to see that it holds. Once it holds, increase your FC level per the FC/CYA Levels.
 
Okay great! This is kinda the thought I had but the problem I couldn’t get around was waiting so long to see the CYA increase. Hopefully, another day or two before I see that rise! Thanks is much for the suggestion!
 
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Thankfully this is my pool today! Sparkling and holding steady at FC 7 and CC .5. Needs a little more cya but otherwise looking amazing and back ready to be used. So thankful for this page and everyone’s help!!IMG_1364.jpeg
 
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Thankfully this is my pool today! Sparkling and holding steady at FC 7 and CC .5. Needs a little more cya but otherwise looking amazing and back ready to be used. So thankful for this page and everyone’s help!!View attachment 512969
Looks awesome with that deep blue sparkle! What’s your latest CYA reading?
 
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