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    Water Tubes

    1. 4 years ago
      Ultimate Double Water Tubes
      I have bought these heavy duty ultimate double water tubes in the past to hold down the winter cover on my 40x20 in ground pool and they last for several seasons. Even with shipping, they are less expensive than the cheaply made water tubes they sell in a pool warehouse near where I live. Satisfied repeat customer who always takes advantage of 10% off sales.
    2. 2 years ago
      Great Customer Service!
      I ordered a dozen of the 10' tubes for my 20' X 40' pool. I used to use sand bags and various cement block to hold downy winter cover. These take a little more to set up but once they are set up my cover is locked down tight. Of the 12 I ordered 2 of them leaked on one side within a couple days. I sent a quick email to In the swim with my order info and pictures of the faulty tubes and they immediately sent me two replacement tubes. I didn't even have to send them the faulty ones in order to get ... read more the replacements. That is awesome customer service. I will try to remember to update after the winter to see how these tubes hold up in the elements.
    3. 1 month ago
      Questionable quality
      I ordered the six pack of the 8 ft. tubes. Order arrived as expected I used three of the tubes so far and one of the leaked right out of the box. So, questionable quality.
    1. 4 years ago
      Durable product
      Easy to fill and a Durable product. I will buy more in the future.
    2. 3 years ago
      Purchased 12 new 8' bags
      The bags were shipped overnight and I have had no problem what's-so-ever with any of them--feel these are a great product
    3. 3 years ago
      Some didn't hold water
      2 of the 8 tubes I bought had a leak in them right out of the box. That was disappointing. I was sent 2 new ones right away however and those were fine. They seem durable and hopefully they last the season.
    1. 2 months ago
      Park District Executive Director
      water tubes are great and the larger tubes are durable and hold cover in strong winds
    2. 4 months ago
      So Far, one casualty
      Bought enough tubes to weigh the winter cover down, plus two spares. One tube leaked upon fill, all others ok. Seem to hold the cover securely so am happy so far. In The Swim promptly sent a replacement tube so I have my two spares again. Too early to rate longevety of the tubes, but so far, so good. Very nice not to have to carry heavy weights in to position. Just put them down where u need them and half fill them up!
    3. 4 months ago
      Good product
      I’ve ordered these tubes before and work just fine with our pool cover. Hold up well in the winter months
    1. 1 decade ago
      Aqua Blocks
      I searched the internet and stores and found the price here is the best for the aqua blocks. This product is better than water bags because they don't break and don't need to be replaced as often. They stack for easy storage and retain the water all winter long. Much easier to setup and fill than water bags. Great produt.
    2. 6 years ago
      Finally, something that works
      With living in the windy north its very had to find something that actually works and holds the winter cover down securely. Those blue bags need to be replaced every year and get costly. The Aqua Blocks worked wonderfully. Lids don't snap on well but we used large zips ties to solve the problem. Through all the wind and snowstorms the Aqua Blocks didn't move! Nice to open the pool and have hardly any worms. Buying another dozen this year.
    3. 3 years ago
      Aqua blocks
      I had purchased these blocks 15 years ago at a local pool store . Untill now I could not find a dealer who carried them ( thank you). I needed to replace some that have become brittle and will continue to due the same as the old ones are all replaced. They are a better way to secure your pool cover . The ease of placing and filling make it a breeze . Storing is also better as they stack well one inside the other. Much better than the moldy blue bags I use to use UGH! I highly recommend these ... read more blocks they last much longer that the awful blue bags . The blue bags generally only lasted one year. Do the math it's a much better investment.
    1. 3 months ago
      Pool Closing Plugs
      The plugs are fine, but more expensive than at my local pool store.
    2. 1 year ago
      Good selection with quick service. Good value for money
    3. 4 years ago
      love my pool
      Love how this plug works fits tight in the skimmer hole!
    1. 4 months ago
      Good Bags
      Recently bought two six packs of 10 footers and one six pack of 8 footers. The guys from my pool service just came this past Tuesday (8/11) and closed it up for me. According to them all the bags were good except for one 10 footer that was leaky. I neglected to ask if was leaky at a seam or the closure tab so don't know. They replaced it with one of their own. It's only been a few days but I can see that all are still holding water, no other leaky ones. I've had these bags before and usually ... read more they hold up well over the winter. Occasionally I have to replace due to going flat on one side but I think that's due to squirrels or birds that use my pool cover to drink from if it has standing water. Or perhaps they get hit by tree debris during windy weather. I keep a few extras on hand "just in case". All in all for the most part I'm pleased with them.
    2. 2 years ago
      Workb great/wind storm replac
      Filled with water and no leaks, just as expected. Good JOB
    3. 1 decade ago
      Durabilaty of water tubes
      The water tubes for stablizing the winter cover for my inground pool were priced reasonably, easy to place and very durable. Heavy rains fell before the snow season, and the tubes held well. None of the tubes broke down as others I have had did. Accolades to your company from a satisfied customer!
    1. 2 years ago
      Have had these for years.
      Bought these to replace corner water tubes that I had before. They are not the thickest plastic but as inexpensive as they are they will last a few years. They really help to keep the wind from blowing under the cover.
    2. 1 year ago
      Corner water tubes are great
      These make the pool cover secure and more stable over the winter months
    3. 4 years ago
      Corner tubes
      We bought 4 of them. They worked out very well but the next day when I checked, one of them was leaking. There's a hole somewhere but I can't find it.
    • 2019-01-17
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    In The Swim Knowledge Pool: Pool Cover Water Tubes

    In The Swim's Dr. Pool

    More about Pool Cover Water Tubes

    Water Tubes are an affordable way to secure your solid inground pool cover or winter pool cover. Water Tubes are vinyl water bags filled 2/3 full of water and laid on top of the edges of your inground pool cover.  Double tubes lay flatter than single tube water bags to avoid rolling on sloped pool decks, and are still usable if one chamber gets popped. Pinholes or tears in water tubes can be repaired easily with Flexible Sealer

    Winter water bags work as pool cover weights to hold your cover down against snow, rain and wind to prevent debris from blowing into the water. Water tubes can also be used with safety covers, to keep debris from blowing under the edge. As an alternative to pool water bags, see our unbreakable Aqua Blocks, plastic containers that will never leak, and stack for easy summer storage.

    Please contact our pool experts at In The Swim if you have any questions regarding how to close your inground pool and we can help you find the right winterizing supplies for your swimming pool! Call us at 1-800-288-7946!