Leakproof Aqua Bloks In Ground Pool Winter Cover Anchors

Won't split like water bags can!

These rugged polyethylene tubs are made to stay flexible down to 50°F below zero. Will not crack or leak in the coldest weather. Blocks come with secure snap-lock cover and are U.V. treated to last for years. Unique nesting design allows for easy storage. Each Aqua Blok measures 3'L x 8"W x 4"D. Hold your cover firmly in place with Aqua Bloks! 5-Year Warranty.

Click here to determine how many Aqua Bloks you need for your pool size.