What are the best solar covers for inground pool?

I do not know maybe a bot I know the worst. has become a partner supply pool. Arizona and you have to fly. are like the air mattress round are expected to act like a magnifying glass and focus the light beam at the bottom of the pool. I had to buy about 20 of them for my size of the pool. not and could not get my money back. stay away from these last. good luck

Introduction to Inground Pool Security Covers