Blue Wave 21 Foot Oval 8 Year Winter Pool Cover

The Blue Wave 21 Foot Oval 8 Year Winter Pool Cover is a smart pick for keeping your pool in great shape all year round. This tough cover is made from lightweight polyethylene, making it a cinch to put on and take off whenever you need to. It does a fantastic job of shielding your pool from all sorts of weather and nasty UV rays, which helps keep your water crystal clear. Plus, by blocking out sunlight, it discourages algae from getting a foothold. You'll also appreciate the handy loops designed for optional water tubes, and the included heavy-duty cable and winch tightener make securing it a breeze. The generous overlap design means you won't have to worry about annoying stretching or ripping. This cover also comes with a solid 8-year limited warranty, giving you peace of mind.