Pool Closing Mistake 1: Skipping the Pool Cover For one thing, an uncovered pool will become a catch-all for leaves and debris. Those leaves will spend all winter stewing away in the bottom of your pool. In the spring, you'll be welcomed with a nasty, sludgy mess.Apr 4, 2016
What can I use instead of a pool cover?
An obvious solution is to cover the pool when it's not in use to keep out foreign material, but custom-made swimming pool covers can be quite expensive. An alternative option, much less expensive, is to use a large plastic or vinyl tarp, secured at the corners with tent stakes and bungee cords.