The floating tarp cover is not child/pet proof. It's essential to use a cover that fits well and doesn't leave any gaps or cracks for debris to enter the pool over the winter.  An anchored, strapped down, reinforced, mesh safety cover would tightly fit the pool to protect it. It helps prevent a child or pet from wandering into the pool. Waterproof, "solid floating covers" (like large, flexible-vinyl tarps) lie loosely on the surface of the lowered pool water and run up the walls. Some people add a little water on top of the cover to keep the surface weighted down. Watch to see whether you need to clean debris off the cover. It may be necessary to pump rainwater, snow-melt off the cover. You could use an automatic cover pump on the cover for as long as water getting on the tarp fall through spring. Scatter 1/2 full water bags around the edges of the pool, out of your way. Center the cover over the pool. Press the cover edges down so it lies on the water, and the remainder lies on the deck.  Fold any excess cover under and weight all edges with the water bags so there is no part of the tarp to blow around the entire edge of the pool. Water bags can be emptied for storage in the spring, while sand bags are not convenient.  If you have trees that would continue to shed leaves surrounding your pool, you can place a leaf net over it to catch debris to prevent a soggy mess on top off the cover. Some trees shed all leaves in 3 weeks are not a continual problem. Air pillows prevent the expansion of ice in above-ground pools, but they aren't necessary to use in in-ground pools.  Inflate air pillows with a leaf blower or shop vacuum and tie them down in the center of the pool. Larger pools require two or more air pillows.
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