hi everyone! i have a problem with my salt water pool. i have had the under ground pool for six years. this is my 1st major problem.my cl2 generator whet out this winter and replaced it but algie had gotten into the pool. i treated it and the pool cleared and then i had metal stains i removed these with stain and scale put metal magic. and brought my sand filter up a pound diff pressure from 19 to 20. using de. by the way i had just changed my sand. now i have a cloudy pool. i can see the bottom on the shallow end but not the deep. 20000 pool. i tested the water ph 7.2 / ak 125 / cl 1.2 . phos over 100. the pool store sold me some phosflock to remove the phos. does anyone think this will help?