Filtering out dead algae and determining pool system efficiency...

[PoolDoc]

Test with strips, you can't be certain that you DO have enough chlorine. Your CYA may actually be one notch up (50 - 100, I think) and your chlorine one notch down.

Do this:

1) Add 2 gallons of 6% (check the %) plain household bleach per 10,000 gallons of pool water. Then continue to add daily to maintain your chlorine at the highest level of chlorine your strips register.

2) Brush all visible algae spots daily.

3) Check your filter with DE per above.

4) Use muriatic acid (gloves, glasses, watch the fumes) to lower pH and borax to raise it. Keep your pH between 7.2 and 7.6, for now.

5) For now, do NOT use ANY other chemicals, except these (bleach, borax, muriatic). Nada. Nothing. Not even if you think it will help. ESPECIALLY not, if your pool dealers says you MUST use this. If your dealer wants (or will) test for phosphates, do so. But do NOT buy and add phosphate remover. This is critically important that you not do so till you are 100% sure your filter is performing well. Otherwise you are liable to cloud your pool, and leave it cloudy for weeks.

6) Order a K2006 or K2006C per links below. Test and report once you receive the kit.

Ben