The perfect alternative to water tubes! Unbreakable aqua blocks hold down winter covers without splitting or tearing like water tubes can. Constructed from high-density black polyethylene, the walls are four times thicker than water tubes and have no seams to split or break. A UV inhibitor helps resist cracking and fading. Unique nested design allows quick, easy storage of multiple aqua blocks in the spring. Secure snap-lock cover. Dimensions: 8-in. wide x 4-in. deep x 36-in. long.
The perfect alternative to water tubes! Unbreakable aqua blocks hold down winter covers without splitting or tearing like water tubes can. Constructed from high-density black polyethylene, the walls are four times thicker th...
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