I just put this cover on this year for the first time. Everybody complains these covers don't last long and I don't expect this one to be any different - UV and snow/ice will deteriorate anything left outside in a CT winter in a few years. But it was very cost-effective and even if I get a few years out of it, I'll be happy. Interestingly, this cover comes with a warranty that provides a pro-rated refund if it breaks down within 8 years. I like that. This "mesh" is pretty dense. Water does pass through it but very slowly, and it was a little tricky getting on when I had one end stuck under water. You can't "lift" it up and have the water pass through. The instructions say a little water on top is expected/good - it holds the cover down in the wind. I had the best luck in the end having the cover folded in half, width-wise. I covered half the pool, then opened the other half to cover the rest. This kept the end from going underneath the water and getting dragged down.
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