Hold your cover firmly in place with AquaBloks! These rugged polyethylene tubs are made to stay flexible down to 50°F below zero and will not crack or leak in the coldest weather. They come with a secure snap-lock cover and are UV-treated to last for years. The unique nesting design allows for easy storage.

Recommended sizing: 12' x 24' pool needs 24 AquaBloks; 14' x 28' needs 28; 16' x 32' needs 32; 18' x 36' needs 36; 20' x 40' needs 40. Add 2 AquaBloks for pools with step sections. Each AquaBlok measures 3-feet long by 8-inches wide and is 4-inches deep.