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I opened the cover 3 days ago. Pool was black. Tested the water 0 Cl pH 7.5, CYA 0. Added dichlor 78% to raise Cl to 13. After the first hour dropped down to 0 again. Bumped it back up and now it is 18 and holding with a 2.5 CC level. The water is still really brown. I have vacumed to...

Does anyone use a filter grid cleaner along with a hose to clean the grids at the start or end of a season. I usually just use a power washer but I seem to remember something about soaking the grids in a solution. Has anyone tried the spray or soaking?

I was shopping at our local Lowes store and saw that instead of DE, they had a product called Pearlite. On the package it said it replaced DE scoop for scoop. One selling point was it said that it cleaned off of the grids easier than DE. At roughly $1 per pound, I wondered if this was an...

I just got my test kit and did all of the tests. My results below: FC-8 CC-0 TC-8 pH-7.5 T/A-130 CH-430 CYA-80 24K gunnite, replastered Sp.2007 Just to make sure- According to the Pool Calculator, it says I need to replace 50% of the water to lower the CYA. The hardness test says I should...

I am replacing my 1hp challenger pump. My problem is that can't get the impeller off. The center screw is a reversible thread and I have removed that. I tried to pry off the impeller but no go. I don't know if there is another way remove that. Do I need to use a flywheel puller?