Just thought I'd share my latest Solar Cover. I'm not sure if buying a 14 gauge cover was worth it, but it does feel heavy duty. My last cover I had cut into 2 pieces, but even at that it was hard to handle. My pool is kidney shaped with 2 levels around pool, so no way to do a reel. Here's pictures of what I ended up with and so far works real well.
14 gauge Solar Cover: http://www.pcpools.com/product/ns520/
Push Clips for attaching solar cover to 1.25" PVC pipe (drill holes in 1.25" pipe about every foot, lay cover on top and poke hole in cover with Philips head, and insert clip through into pipe). I also filled most of the pipe with Great Stuff foam to be sure it would float.
3/4" Foam board at end (this is a test to see if this stuff holds up):
I have the 3 panels overlapped by about 6" (largest is 15' x 13'). This is so I can sweep all in the direction to the PoolSkim:
And my rack which is north side of pool, so is in the shade: