Oversized rectangular covers work fine for irregular pools.

Yes, you can use a standard rectangular cover for an irregular pool — just measure the longest and widest points and add two to three feet of overlap on each side.

Most pool cover manufacturers expect this. The extra material drapes over the odd shape, and the water bags or cable anchors hold it down. You’ll have some excess fabric that might puddle in corners, but that won’t hurt anything. It will still keep leaves out and prevent evaporation.

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