Hi everyone I'm new to trouble free pool. I am having a nightmare problem with what I believe to be metal stains. I bought my house in December 2013 and it came with a vinyl liner 30,000 gallon pool. It had a ripped cover and years of leaves and algae in the pool. I used this site step by step to get rid of both and had a crystal clear pool in weeks. I came home from work one day and to my dismay noticed everything white in my pool was school bus yellow. I could also see the liner was stained. I checked the forums and did the vitamin c test and determined it was metals. I then did the absorbic acid treatment and everything was great. The problem is every time I slowly add bleach back into my pool the stains all come back. I'm so stressed out over this pool and need help badly. I've spent tons of money on the absorbic acid and sequestrants. Here are my levels:
pH 7.2
Cya 90
TA 90
Fc 0
30,000 gallon vinyl liner Hayward 1.5 hp pump sand filter
pH 7.2
Cya 90
TA 90
Fc 0
30,000 gallon vinyl liner Hayward 1.5 hp pump sand filter