Won't split like water bags!

These rugged polyethylene tubs are made to stay flexible down to 50°F below zero. Will not crack or leak in the coldest weather. The blocks come with a 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.

Use this chart as a guide for estimating how many Aqua Bloks are required for your pool size. Remember that each Aqua Blok is 3-feet long. *Add 2 Aqua Bloks for pools with step sections.