Just a followup to this.

I put a Slime Bag (4x10 inch housing) inline and upstream from my autofill valve. It's working great. At $300, it's not a bargain solution. But the pool water's staying clear and I don't worry about putting a hose into the pool to fill.

Cheers from the Sierra Foothills,
Paul

Always do right- this will gratify some and astonish the rest.
Mark Twain