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    Unbreakable Aqua Blocks for Winter Pool Covers

      Unbreakable Aqua Blocks for Winter Pool Covers is rated 3.5 out of 5 by 45.
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    No More Leaky Bags ─ Hold Your Winter Cover Securely with Unbreakable Aqua Blocks

    Created by a pool owner who was tired of replacing his winter cover weights every year, Aqua Blocks are for repeated use year after year. These three-foot-long blocks are made of durable black polyethylene with a UV inhibitor that resists cracking and fading.

    To use, fill the Aqua Blocks with water and place them on top of your in-ground pool's winter cover around the pool deck. In the spring, simply empty the water and stack the Aqua Blocks inside each other for easy storage. These blocks fill easily and their lids feature snap-lock covers to keep the water from sloshing out as you’re placing them.

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      • Item: # W2100 Aqua Block $9.99
      • Item: # W2105 Aqua Block Six-Pack $49.99
      • Item: # W2112 Aqua Block Twelve-Pack $89.99
      • Product Description
      • Customer Review
      • MORE INFO

      • Unbreakable Aqua Blocks are a durable, leak-proof system for holding your winter pool cover in place
      • Made of high-density polyethylene, making them virtually indestructible
      • Black boxes are made with a UV inhibitor that makes them fade and crack-resistant
      • Lightweight containers are easy to move when not in use and fill with water to weight the cover in place
      • Blocks are designed to nest into each other for easy, compact storage when not in use
      • Snap-lock cover keeps lid on and prevents water from spilling out
      • A great long-lasting alternative to water bags, which can leak, break or roll off the cover
      • Available for purchase individually or in 6 and 12 packs at a discount
      • Dimensions: 36 in. L x 8 in. W x 4 in. Deep
      • Determine how many water rubes you'll need for your pool's size by clicking the "More Info" tab below

      Rated 4 out of 5 by from Good product This my second order of Aquablocks because the first order was successfully replaced the bags.
      Date published: 2017-08-28
      Rated 5 out of 5 by from a gazillion times better than the water tubes These are a gazillion times better than the water tubes. Yes, use duct tape to help keep the lids on, but they are so much easier to fill, empty, and store (they nest), and so durable... the bags are constantly leaking and needing replacement. We are slowly replacing the bags that break with these and can't wait until our whole winter cover set is aqua blocks. And love In the Swim too!
      Date published: 2017-07-15
      Rated 5 out of 5 by from I have always had great service and great products I have always had great service and great products from InTheSwim for over 20 years.
      Date published: 2017-06-29
      Rated 1 out of 5 by from Cheap Add claims leak proof seal, however it does NOT seal at all. Water poors out between box and lid. Cheap plastic containers you could go to a store and purchase for less
      Date published: 2017-05-02
      Rated 1 out of 5 by from Disappointed After one mild winter 3 out of 24 blocks remain. The rest cracked and lost water. Very disappointed with this product it was a waste of money.
      Date published: 2017-04-08
      Rated 1 out of 5 by from Not happy Great Idea however the covers don't snap on and the cover is coming out from under them. and yes I filled them with the correct amount of water. I can already tell my cover is going to be in my pool and my water is going to be green :-(. I only gave one star because I had to.
      Date published: 2016-12-27
      Rated 5 out of 5 by from Great product. I was replacing some of my leaking blocks I had ordered from last year.
      Date published: 2016-11-08
      Rated 3 out of 5 by from Good but not great We like the Aqua blocks better than water bags, but they do crack and lose water. They look better than water bags and are easier to fill and empty.
      Date published: 2016-10-26
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      How Many Do I Need?
      Pool Size Number of Aqua Blocks
      12 X 24 24
      14 X 28 28
      16 X 32 32
      18 X 36 36
      20 X 40 40


      • Add 2-3 Aqua Blocks for a step section.
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