I am having a huge problem holding choline. Basically all the other numbers are fine. No algie to speak of. I have added at least 6-7 lbs of Powder Power Plus over the last two days and the tests barely shows .5. I have been experiencing this problem all summer. Pool store is as puzzled as I am.
First time to forum, so if info. is needed, please advise. Thanks.
First time to forum, so if info. is needed, please advise. Thanks.