Hold your cover firmly in place with Aqua Bloks!
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.
Refer to the sizing chart to help determine how many Aqua Bloks you need for your pool size.