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Swimming Pool Supplies Home » Pool Opening & Closing » Pool Closing Accessories » Unbreakable Aqua Blocks


Unbreakable Aqua Blocks



Unbreakable Aqua Blocks for in-ground winter swimming pool covers provide an excellent alternative to water tubes and will secure winter pool covers without splitting or breaking.Enjoy unbeatable anchoring of your winter cover with Unbreakable Aqua Blocks!

  • Will firmly hold down in-ground pool covers without splitting or breaking.
  • Constructed from high-density black polyethylene for excellent strength and durability.
  • Aqua Block walls are four times thicker than water tubes.
  • No seams to split or break.
  • UV inhibitor enhances durability and prevents cracking and fading.
  • Unique nested design allows for quick, easy storage in the spring.
  • Feature secure snap-lock covers.
  • Available in single blocks, 6-packs and 12-packs.
  • Dimensions: 8-in wide x 4-in deep x 3-ft long.


  • How Many Do I Need?



  •   Available Products
    Qty. Item No. Item ONLY! 
    W2100   Aqua Block   $5.60  


    W2105   Aqua Block Six-Pack   $36.50  


    W2112   Aqua Block Twelve-Pack   $68.99  



    Providing an excellent alternative to water tubes, Unbreakable Aqua Blocks will firmly secure your in-ground winter pool cover to your pool deck and will continue to do so even during windy weather. As a result, Unbreakable Aqua Blocks help you to ensure that your swimming pool will receive constant winter protection. Moreover, they will provide you with a secure anchoring system for your winter cover without splitting, so you can enjoy excellent durability.

    For even greater durability, Aqua Blocks for pool covers are constructed from high-density black polyethylene and feature UV inhibitors which help to prevent cracking and fading. Aqua Blocks can be securely closed and they can be easily stored when not in use with their unique nested design. Aqua Blocks for winter pool covers provide the perfect option for pool owners who want to keep their pool cover firmly secured without the use of water tubes.


    Click on the links below to see more Winterizing Products!

      Click to enlarge image Pool Chemical Winterizing Kits


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