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Dave, Thanks for your assistance. I will check into a larger filter. Best Regards, David

Dave, My gage, when everything is flowing well, reads about 18psi. I backwash when it gets above 25psi. Before I took the cover off a couple of weeks ago I REALLY shocked the pool. I actually waited too long to start opening the pool (the water temp was already in the mid 60's) and there was a...

Dave, OK, 48,000 gal 'L' shape, vinyl liner, 325 lb of sand, 60 gal/min, 1.5 hp pump. (the sand sounds low when compared to yours) FC - 6.0 CC - 0 TC - 6.0 Ph - 7.2 CyA - 40 (+ about 1/8 inch higher on the tube) Temp - 71 degrees BTW, I am using your test kit... been buying one each year back...

Thanks Jason, It's not dust ... could be new algae? When I vacuum I pick up the stuff, but after about 20 min I can't even see the bottom it is so cloudy. After a couple of days it appears to settle to the bottom again. I will shock again. David

Dave, Yes, actually I think that its the DE powder that makes the pressure go up so fast not the fine grain trash. Then of course when I back wash the DE powder goes out and the cycle starts over. John T above, suggested to keep the pool at shock level for a few days... does this mean that the...

Thank you, I have been running the pump 24 hrs per day for the last two weeks. I will try to backwash more often.

I am trying to get my pool ready for summer...I am a BBB follower. I have shocked it, added salt, got the chemicals balanced correctly, and have cleaned out the large debris. However; the pool is covered with fine gray powder (dead algae?). I have a sand filer that will not remove this stuff it...