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Just pull in 9lb stabilizer (99% Cyanuric acid ). How long does it take to be totally dissolved, because I did not see too much CYA increase. Thanks again.

Thanks, I guess I ran the pumper not enough long. Today is much better. However, I feel the circulation in the pool is really slow. Don`t know why Thanks for the advice. I will get some stabilizer into it immediately.

Thanks a lot,dear all Here is the test result yesterday night FC=35-40 (>70 drops, I dropped the last 10 too fast, so I am not quite sure about FC) CC=<0.5 (barely pink) Ph=7.2 T/A=90 Calcium=200 CYA=0 This morning FC=36 CC=0 My pool size is 40x20x6, square, so about 35700 galon. CYA=0...

Thanks a lot. I added 5 lb dichlor a couple days ago and I always add liquid bleach. But while I opened the pool, the service guy told me CYA=40. now CYA=0, shall I consider adding some stabilizer? Also, I have been shocking the pool for 2 days now. The reason is: the water looks green at the...

Hi, Dear All I am new pool owner. Just received my TF-100 and learn to do the drop test and CYA test. I have 2 questions. 1) how many R-870 shall I add? If I add one flat scoop, the water became pink but turned clear immediately after I shake the bottle. But I add one full scoop (or two...