i have a 12,500 gal softswim AG pool with a 1 hp power flo lx, hayward perflex de filter, my problem is cloudy water. my levels are : soft swim b 35 ppm, softswim c 10ppm (just added one gal), total alk. 240ppm, pH 7.6. i cant figure out the problem, i got my water tested at my local pool store they said my levels where good. no slime or dirt inside filter, hoses or walls Etc. i have shocked the pool twice with oxysheeen but still cannot see the bottom. PLEASE HELP!