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    Solar Heaters

    1. 2 months ago
      It's hotter than a solar blanket....Easy to Use.
      Keeps temperature up, controls loss of heat, so easy to use. No more solar blankets needed!
    2. 4 years ago
      We are so DELIGHTED with this product!!!
      We added 6oz. to our large pool, during cycling. It conserved water evaporation SO much better than we could have predicted. It got up to 104* for 3 days, then dropped into the high 90's this past week. The pool is in direct sunlight and I would have needed to top it off, at least twice by now. The temperature (no heater) has rapidly reached & maintained a 5-7* increase in warmth. We will be able to use the pool much more often & that makes us happy!! It was a bummer when the water temperature ... read more was too cold & hot outside!! With Cover/free, so far, Sunday to Thursday before a small top off is needed. There is no residue on your skin. No odor. It is important to us that the product is "friendly". A huge plus, is there's NO ugly pool cover & crank to deal with. Leaving a lovely play area, ready for play!!! We LOVE it & will buy it again!
    3. 1 year ago
      Great Product Does all it Claims to do!!!
      Bought for my daughters pool. She uses it regularly during the summer pool season and simply loves it. It is truly a Great Product for conserving pool chemicals and water temperature.
    1. 3 months ago
      Great product/Great Service!
      Just received 3 of these and they were very easy to install. My pool had previously been set up with a tube heater from intheswim so installation was super easy. Less than an hour and they were up and running. We have had very rainy, cloudy days since then but they do seem to be heating as advertised.
    2. 6 months ago
      solar heater
      Tried this brand after parts where not avail for old one.
    3. 7 months ago
      Works great!!
      Purchased two to heat my 24ft round above ground pool. Works great, when it’s sunny. Has already extended my swimming season by a month. Normally I would not have even opened the pool. For those reviews that complain of leaks I wonder if it was assembled correctly? Followed directions and correct setting for divertor valve and no leaks anywhere
    1. 5 months ago
      Best one yet
      We are on our third solar cover in the last 10 years. This one seems to not only work to heat the pool the best, but is also the thickest. I hope it lasts longer than the last one (4 years).
    2. 4 years ago
      Good price great solar blanket
      I have big lazy l 18ft by 42 ft total shaped pool so bought the 18 by 36 ft version and cut it into 6ft sections also got a 12 by 20 one and cut 2 ft off it for use covering stairs then cut the remaining 12 by 18 into two more 6 ft sections fits like a glove almost perfectly and us easy to remove each section for storage. Keeps all the heat locked in and in sunny days will even heat the pool above the 90 degrees.
    3. 4 months ago
      Works great!
      I had not planned on buying a solar cover until fall but an unexpected cold spell prompted me to buy one now. It arrived in only two days and when the night temps dipped into the 50's the pool stayed in the mid 80's. As the temps climbed back into the 80's and 90's, the pool quickly warmed up into the low 90's. I have it stored for now, but knowing fall is around the corner we will be swimming well into October. Highly recommend however, it is heavy so get a good reel the one I have works ... read more great but you need two people due to the weight.
    1. 2 years ago
      Simple and efficient
      I wanted something that would help raise my in ground pool water temp about 10 degrees and don't have anywhere to install a solar panel so thought I would try this device out. Bought 2 of these units and attached 100ft of black hose to each. Simple to install took less than half hour. After about a week water temp is up 6 degrees only because it has been cloudy and raining. I have no doubt will allow us to enjoy pool about a month earlier than our usual season.
    2. 2 years ago
      easier with parts from the harware store
      Why spend $50, when for the price of a few PVC fitting one could make a device that works just as good and doesn't come apart
    3. 4 years ago
      Great product
      So simple and easy to set up. Wish I would have thought of this. Great for a pool with shade.
    1. 2 years ago
      The solar cover fits or 18ft above ground pool perfect.very happy!!!
    2. 5 months ago
      Super fast shipping!!
      Ordered this in the morning and received the next morning! Wow, 24 hours!! Love the cover; works great!
    3. 5 months ago
      Great purchase
      We are cery happy with this product. One day one the pool and we felt a big difference in the temperature.
    1. 1 year ago
      Good Heater easy setup
      Has worked great for the first week of installation.
    2. 2 years ago
      Great brand at nice price.
      Easy way to add more heat to extend the swimming season . Added unit to an existing solar heater
    1. 6 months ago
      Does not lie flat.
      Solar blanket does not lie flat. Very wrinkly even after on pool after a few weeks. 12 ml is as expected. However disappointed in the looks of this. Did not have this problem with my other ones.
    2. 4 years ago
      Good pool cover at a great price
      Bought this pool cover a month ago and had to cut it to fit my irregular shaped pool. Nice quality pool cover. The bubbles don't seem as full of air as my old cover but maybe that's because my old cover was very old. Can't say how it will hold up as it is still new. Only time will tell. The cover does not raise the temp of my pool anywhere near 15 degrees. I guess it depends a lot on what the weather is like in your area. Hear, it is pretty mild. However, the warranty does state that it will not ... read more cover air bubble damage at all. Warranty only covers de-lamination or separation at the seams.
    3. 4 years ago
      Solar blanket
      Received the incorrect size, so I had to reorder. This meant I had two charges on my card until they received the return. The second blanket was the correct size, but it is constructed of two different shades of blue vinyl.
    1. 4 years ago
      Really heats up pool!
      I love how this heats up our pool. We've had a cool summer, but this cover makes the pool have an inviting temperature.
    2. 4 years ago
      I was so surprised at how thick this blanket was. Although we bought it at the end of the season, it seemed to keep the water warmer than our old blanket.
    3. 4 years ago
      Well worth it
      We purchased this approx 3 weeks ago as the water isn't swimmer friendly until mid-June. Very satisfied, heated the 14,000 gallon pool n two days. Purchased some brackets from the local hardware store n mounted them on the side of the pool. Spaced 4 of them approx 6 ft apart n works fine when tKing it off. I'd say this was well worth it for the kids. They love it
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    In The Swim Knowledge Pool: Solar Pool Heaters

    In The Swim's Dr. Pool

    Harness the Power of the Sun

    In The Swim has solar pool heaters for inground pools and solar pool heaters for above ground pools. Capture the sun´s energy and put it to work heating your swimming pool! Solar pool heaters work well in all parts of the U.S., placed in any backyard area with daily unobstructed sun. Modular above ground pool solar heaters connect quickly to the pool return hose, and inground solar heaters are mounted to a nearby roof, rack or fence. 


    Pool Solar Heater Benefits

    • •  Most affordable pool heater you can buy, and free to operate
    • •  Environmentally friendly - no emissions, and no fuel used
    • •  Simple DIY installation by any handy homeowner

    The best feature of solar pool heaters is the free pool heat, after a low initial cost. In addition, solar pool heaters start great backyard conversations!

    How Solar Heaters Work

    Inground or above ground solar pool heaters circulate pool water through black tubes that absorb the sun’s heat. A solar panel bypass allows you to control the flow rate through the solar panels and turn the system off during rainy days or after dark. Facing the solar panels in a southern direction, tipped towards the sun will increase solar heating; 6 hours of daily, unobstructed sun is best for optimum heating.

    Will Solar Pool Heaters Work on My Pool?

    Solar pool heaters will work well across the entire country, as long as you have a sunny spot near your pool pump that gets 4-6 hours of direct sun. Heat output depends on several factors, including the size of the solar system in relation to the pool, whether or not the pool is covered, and how many hours of daily sun the pool and solar panels receive. Good-sized solar heater systems can add between 15-20° F to your pool water, in all regions of the country, and smaller solar systems can easily add 5-10° F. 

    How Many Solar Panels are Needed?

    The more solar panel surface area you have (Sq. Ft.), the more solar energy you can transfer to the pool water. Inground solar heaters are typically sized to 40-50% of the pool surface area, but shallower above ground solar heaters are best sized to match 20-30% of the pool surface area. Calculate the pool surface area in square feet, and then use the multiplier to buy enough solar panels to match the result. The more solar panels you add, the greater the heat gain. 

    Solar Pool Heater Installation

    Above ground solar pool heaters are built for simple installation. Simply cut the return hose and connect the hose ends to the bypass kit, to allow you to reduce the flow rate into the solar panels (slower is best for heat absorption). Using a 3-way diverter valve, or two 2-way valves will allow you to bypass the solar panels completely, during rainy days or after dark, or if the pool becomes too warm. 

    Inground pool solar heaters may require advance planning for placement of the 10' or 20' long solar panels, and some PVC plumbing to route the water into and out of the solar panels. Our 10' and 20' panels can be placed directly on the ground, but for best results, mount onto a roof or rack, facing south. The Bypass Valve Kit is used for control of flow into the solar panels, and to bypass the system completely during inclement weather, and at night.    

    In The Swim solar pool heater experts are happy to answer any questions that you may have regarding solar pool heating or any of In the Swim’s pool supplies. Give us a call anytime at 1-800-288-7946.