We had a mustard algae bloom 3 weeks ago. I killed off the algae by shocking the pool with about 16lbs of dichlor. This killed all the algae and turned the water from a bright green/yellow to a flat blue. Since that time I have been unable to get the pool to completely clear. After a week the pool was better, but still extremely cloudy (I could see about 4 ft down. We have a 23,000 gallon in ground pool. CYA 90, Tot and Free chlorine are both 6.5, ph 7.5, Total Alkalinity is 147. My numbers have been essentially in this range for 2 weeks, but the water is not getting any clearer. I have tried numerous things to get the water to clear and nothing seems to work (in fact most things make the problem worse). We have used clarifier, FLOCed, and changed our filter media, but the pool stubbornly stays a flat blue color. There is a white "haze" that is visible suspended in the pool when the water is agitated after it settles over night. There is no sign of any living algae in the pool and I have been diligently watching for it's reappearance. I suspect that we have dead algae particles suspended in the pool but don't know for sure. When I FLOC'd the pool got cloudier, but nothing settled to the bottom. Any ideas for correcting this problem would be much appreciated as I am at wits end.