Thanks. I found his post on how to replace the water with the plastic sheet.
adding the bleach the last time i posted on 5/20... shock to 25 ppm.. has helped as the water is almost clear today. this morning the cya is still 90, ph 7.5, ta 180, chlorine 6.0. thanks for all the advise. i did and do appreciate any and all help you give. your forum is very helpful