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So just wanted to check in with my latest test numbers and query whether low TA is a problem? Results from this morning as follows: pH 7.5 FC 10.0 CC 0.0 CH 325 TA 70 CYA 60 I have been adding 1 to 1-1/2 pints of acid every other day to keep pH down, it is tending to drift up about 0.1 a day...

This white line appears just above the water line in my hot tub and is most prominent when the hot tub is on I.e. The water is hot - see photo I do not see this around my pool. Test results from today: pH 7.7 FC 6.5 CC 0.0 CH 225 TA 80 CYA 60 Can someone advise what causes this and how to...

Having successfully completed my SLAM last week, I have been focused on monitoring the FC this last week to determine how much I lose each day. Target is to maintain FC between 5 and 7 (CYA 60) and that has been going well. I am losing about 2ppm FC per day so adding 41oz 8.25% bleach to regain...

So I have been battling with disappearing chlorine. I have an automatic chlorinator using 3inch tabs and have it set to 5 which is the highest setting. Tested my water last weekend and the FC was 0.5. Figured I would shock it so did that and the next day FC was at 5.5. A couple days later I was...

So having done a lot of reading around the subject I ordered the TF-100 test kit and completed my first tests this morning. Results are: pH 8.2 (I know this is high - what do I add to lower it?) FC 2ppm CC 0.5ppm TC 2.5ppm CH 175ppm TA 330ppm CYA 30ppm It seems that the CYA and FC combination...

Hi All Excited to say we have our pool complete and up and running and are enjoying the whole experience. Planning to do our own maintenance so here I am......looking forward to lots of learning! Dave