Which is best: a mesh pool cover or a solid pool cover? A solid cover gives you the most protection. It stops UV light and water run-off from getting into the pool. And that means you’ll have a cleaner pool in the spring. But since it’s solid, you’ll need to remove any debris, snow, and rainwater that accumulates on top of your cover during the winter. A mesh cover is easier to maintain. Water won’t accumulate on top and you won’t need to clean it off. But fine particles, UV light and run-off ca