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    Pool Algaecides

    1. 3 years ago
      Great Winter Algaecide
      I buy the winterizing kit every year and a extra quart of winter algaecide to add in march never had a problem with the water when opening the pool. great products from in the swim
    2. 9 months ago
      Fabulous product
      I live in west tn the winters are mild. It gets warm under the tarp. I put the winter algrcide in at closing around the end of sept. & to be safe another bottle the end of jan its 20x40 inground. In the spring its algi free! can see 10 ft down & ready to open
    3. 3 years ago
      Winter Algaecide
      Helps keep the pool water from becoming green over the winter months.
    1. 3 years ago
      Wish my husband had listened to me sooner!
      We fought mustard algae from the day we opened the pool until we put a bottle of algaecide 50 in August. I had tried to get my husband to order it sooner but he wanted to support the small town pool store in our community in TN. Finally out of frustration I ordered it and he had to hear the I told you so. For peace of mind and in the household order yours today. It was delivered quickly, it was cheaper then what we had been buying, and it worked. No downside.
    2. 10 years ago
      Wonderful Algaecide!
      18x36 in ground. Water murky, thick and visible green algae begining to show on steps: Time to close pool so used one whole bottle and expected to have to vacuum out a mess. The next morning the pool was crystal clear and no dead grey algae to vaccum out so I didn't. I threw in 5 lbs of super shock and closed her up. I love this algaecide!!!Will order more for opening next pool season!Oh yeah was here two days after I put in the order and no shipping fee just a handling fee
    3. 10 years ago
      Algaecide 50 - Great Stuff
      I have been using "In The Swim" chemicals (Including Algaecide 50) to open and close my pool for (4) years now. Never a problem. I have friends that have to empty better than half the water each spring just to clean and get their pool ready. I have never had to drain any water. "Closing" and more importantly "opening" has always been flawless. I will continue using Algaecide 50 as well as all the other "In The Swim" chemicals. GREAT STUFF!
    1. 8 years ago
      No More Algae-EVER with this product
      This product is AMAZING. I have used this product for 2 years now. I use it weekly during the swim season and use it to close our pool in the fall. I pour an entire bottle in when we close the pool and I have yet to have any algea when we open in the spring. My dogs quite often swim in our nasty pond and then swim in the pool. Not once have they transferred the algea to the pool. EXCELLENT PRODUCT.
    2. 1 month ago
      No complaints
      I have been using this product for the last two years and have had no problems with it. The price is the only reason I didn't give it 5 stars.
    3. 3 years ago
      Pool was as green as Kermit the frogs HINEY !
      Pool water stunk to high heavens had not been opened in 3 summers! ewe it was funky... Put in 3 bags a of shock ran pump over night and the next day 1/3 bottle of algaecide 60 + and repeated for 3 days using a whole bottle and 9 pounds of shock ... lots of skimming and and back washing and walla water I would be willing to drink ... Now I am happy happy.
    1. 10 months ago
      The BEST algaecide ever!
      I started using this product about 5 years ago to get rid of a huge algae bloom. Nothing had worked up until then. The SeaKlear was nothing short of amazing. I use 1/2 a bottle every 3 months along with In the Swim super shock and I have the clearest water all the time.
    2. 2 years ago
      great. timing
      We are having a cool wet summer. The algee was hard to control. I ordered your 90 day treatment on Thursday A.M.. I received it on Friday. It is GREAT, Thanks
    3. 1 year ago
      This will be the second year we've used it. Love only every three months!
    1. 3 years ago
      Works Great!
      I have bought other brands and higher priced algaecides for the pool and none of them work as effectively as this product. I buy the 1/2 gallon sizes so that I do not run out and use this exclusively for almost algae free swimming seasons.
    2. 10 years ago
    3. 3 years ago
      Performs like products that are twice the price!
      Tried this product and seem to be getting same results as that from my local pool store at almost twice the price.
    1. 8 years ago
      Love In the Swim
      I purchase all of my pool supplies here. The price are lower than retail stores & the shipping is SUPER Speed! This Algae pack is a great deal & works well. Easy to use.
    2. 9 years ago
      Start Up KIts
      I use the start up kits every year and it is fast and easy to use. It makes pool opening easy.
    3. 9 years ago
      Wow Really works
      I couldn't get my pool clear after dumping tons of shock and algacide in it. I bought this package and it was clear within 4 day.
    • 2017-05-29
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    Use Pool Algaecides for Clear Water
    Algae blooms cause problems for many swimming pool owners and pool algaecides can prevent this problem from happening. While lack of proper circulation and out-of-balance water chemistry can lead to the growth of algae in pools, even carefully maintained swimming pools can sometimes experience algae growth which is why it's important to employ pool algaecides whenever possible. This is because algae spores can be carried into the water by the wind and by swimmers. Once algae blooms take root in your pool, they can become unsightly and can clog your pool's filter. As a result, it's important to use effective pool algaecides as soon as an algae bloom appears in your pool, and it's also a good idea to take measures to prevent algae from growing in your pool in the first place by adding pool algaecides into your pool water initially. In the Swim's swimming pool algaecides are highly effective products which will help you keep your pool water crystal clear and algae-free. Our powerful pool algaecides reduce the need for pool shock treatments and are safe for a variety of pool surfaces. In addition, In the Swim's pool algaecides will effectively eradicate and prevent the growth of several different types of algae. Our swimming pool algaecides can take your pool from cloudy to crystal clear in less than 24 hours. In the Swim's selection of pool algaecides includes Green to Clean algaecide, which is a natural and non-toxic chlorine enhancer that boosts the killing power of chlorine-based shock products. We also offer Algaecide 60 Plus, a non-metallic and non-foaming algaecide for pools that is even effective against pink algae. Additional swimming pool algaecides available from In the Swim include Super Algaecide and Phos Free. Super Algaecide is a top-quality copper-based algaecide for pools that is ideal for spring openings while Phos Free eliminates phosphates from the water, thereby effectively starving the algae and preventing its growth. From our Green to Clean swimming pool algaecides to our Phos Free products, all of our available algaecides and algae-preventing formulas are powerful, effective and safe. Furthermore, all pool algaecides from In the Swim are available for great value so you can take care of your pool and enjoy sparkling clear water without straining your budget.