I routinely leave my pool for a couple weeks at a time with only someone to add a bit of chlorine once a week. I leave it with a solar cover on that's been cut to fit the water surface and the pump runs twice a day for four hours at a time. No pucks for me, thank you.

I added a maintenance dose poly60 (one quart for my 22,000 gals.) at the beginning of the season in May, and two weeks ago when I discovered a small bit of algae appearing in areas where the water didn't get much circulation. My water's always crystal clear.

As I've said before, I think the Poly60 is a CYA (the other kind) and good insurance.

If your CYA (the real one) is at 20, I agree with the others, three pucks in a floater, cover it and have a holiday. If your CYA was high I'd say the punctured Clorox bottles would be the way to go.

C.