thanks to everyone for their response.

Since my last post I have added 7 gallons of chlorine and about 16 ounces of PH plus.

here are the readings

PH 6.6

CYA 20-25

Free CL .5

Alk 50


CL .5

Guy at pool shop thought problem was high phosphates from all of the rain in our area. He tested it and it showed a reading of 500, said phosphates eat CL. I have no idea whether that is true or not. Sold me a bottle of "Phosfree".

I will not do anything else until I hear from you experts. The pool water is much cleared today. I can actually see the bottom

Thanks again for taking the time to help an amatuer. Only 6 days until graduation.