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    Pool Algaecides

    1. 2 years ago
      Cleared the pool. when algae 60 failed.
      Bought this after alge 60 failed to change my pool. Turned a white cloudy left on vacation for a week and came back to s clear pool
    2. 1 decade ago
      Money Saver
      I bought this product and kept alittle maitainence dose in my pool. My frinds were still having algea problems with every little rain or after returning from vacation. But not me! It's great and I will buy it every year!!
    3. 2 years ago
      Best Algaecide on the market
      We have used this product for at least 8 years straight now and no other product works as efficiently as this. It is costly but no other products are needed as others that need an additional product to eliminate the foam.
    1. 5 days ago
      Works Great
      it is important to note that the chemistry involved is VERY pH sensitive . If you do not jack up the pH significantly above neutral it probably won't work or at least not as well. the ammonium sulfate is a salt of a strong acid so it will not work in low pH.
    2. 3 weeks ago
      Green to clean INDEED!
      Our pool had been green for 2 weeks / we tried EVERYTHING. My lovely wife researched and found this great product. We found it at our local “lighthouse “ pools we used it as directed.12 hours later it was perfect!
    3. 5 months ago
      Finishing touch
      I've been battling the cleanup of algae for a year. Our (fired) pool service did nothing for it except to add more and more liquid chlorine. We've used several products that have been working, but we just couldn't get rid of all of it. We decided to give this product a shot. I put it in last night, then the powder chlorine, 12 hours later, more powder chlorine. Tonight I only had 3 small spots of algae left. I have 1 more time with the powder chlorine and I think we'll have it licked. I wish I'd ... read more started with this product a year ago.
    1. 1 decade ago
      Saved Me Mega Money and Time
      Two years ago....after being gone for three weeks (and having some attention by my house sitter) my pool got totally out of control. Mega algae bloom. After much effort.......I was told that by pool maintenance pros that I would have to replace the water and possibly the sand in the filter. Replacing the water did not solve the problem.....yellow algae started to return and I was facing about $1000 to change out the sand in my filter. Fortunately No Mor Problems was recommended. I have not had a ... read more problem since. Very good product....use it weekly......outstanding!!
    2. 1 decade ago
      Best purchase ever
      We've owned our pool for 4 years and I have to honestly say that this is the BEST product we have ever used. It keeps the water crystal clear. We have received so many compliments on how nice and clear our pool water is all the time. Just a small weekly treatment keeps our pool spotless! We would recommend this to everyone with a pool or spa!
    3. 9 years ago
      It Really Works
      I have had a real problem with Green Algae. My pool is exposed to direct sunlight all day. After several treatments of Shock and Algaecide. This product along with periodic shock treatment has kept it under control and looking great. All my pool chemicals and equipment are from In-The-Swim. They have the best prices and you can depend on fast delivery.
    1. 6 years ago
      Keep fighting it
      Black algae is a scourge of old pools. It gets in the gunnite and there is basically nothing you can do. You just have to keep pouring in the chemicals and watching your pool laugh at you. I am here to tell you no black algeacide works to eradicate. They all work to help control. Some are a little better than others. This one is fine. I have not seen a big difference in the super expensive black algaecides that are sold. It's all about how much active product is in the bottle. If you have black ... read more algae in your pool, my sympathies, just learn to live with it and be so happy on those days when your water looks clear and sparkling and you beging to kid yourself that it's over. It's not. Keep a bottle of algaecide close at hand at all times. Good luck!
    2. 9 years ago
      most copper content
      still have black algae problems and have done everything recommended. Product seemed to slow things a bit but didn't kill it off.I steel brushed it then scrubbed with a chlorine tab then shocked and then added 15 oz of this product at night, only to have the algae resurface 4 days later.
    3. 1 decade ago
      Finally--a product that worked!
      For some reason this summer, we got a huge outbreak of algae and nothing we had used in the past would break it up. We dosed the pool with this black algaecide and within one dose we had a cleared problem.
    1. 4 years ago
      Algae Pool Pack
      We bought this last month when we had an algae bloom. The package arrived very fast and we added it to the pool, following the directions. It cut the algae out in no time at all and was just what we needed.
    2. 1 year ago
      Perfect Value Pack
      boosted my chlorine and got rid of blooming algae fast
    3. 9 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.
    1. 2 weeks ago
      Wonderful
      Best algaecide ever! My pool water looks just as clear at spring time opening as it did at fall closing! I would not use any other brand!
    2. 4 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
    3. 1 decade ago
      Not Perfect but Very Good
      My water was crystal clear, but I did have algae growth on bottom. I just couldn't get it to clean up when we opened. After a water test we found the phosphorus too high, so it looks like we had other issues. All is crystal clear now!
    1. 1 week ago
      Awesome
      My pool had algae for over a month and I spent well over $500 trying to clear it up. I put this in it and all the algae clumps together and then you vacuum to waste. Just wish I had tried this sooner.
    2. 8 years ago
      Really works on yellow algae!
      I have a 22,000 gallon pool, and my pool man told me to use 8 pounds of Yellow Out. I had been fighting my green pool for almost three weeks, adding hundreds of dollars of chemicals and running the pool continuously. Then, I added the Yellow Out by scoops, following each scoop with a scoop of chlorine. The next morning my pool was blue. I still needed to add clarifier to eliminate a little cloudiness, but what a relief!
    3. 1 decade ago
      Finaly something that works
      We (or a friend) brought mustard algae from the lake. I spent hundreds of dollars on other chemicals in the past 3 years to get reed of the algae but it kept coming back a couple times per year, especially when we forgot to run the Polaris for a week. I tried every algaecide I could find in the stores and pool supplies companies. That's when I sent an email to ask what product would work best for my well water, salt system inground vinyl pool. Yellow out is just fantastic, It killed mustard ... read more algae overnight like nothing I tried before, with less than 2 pounds of it! Hopefully it is gone for good! Untill somebody brings some from the lake again. Tip: Make sure you ask anybody ready to swim in your pool if they used their bathing suit in a pond, lake, river, sea etc... and if they washed their suit since. That's how we ended up with mustard algae in the first place. Great product, Thanks.
    1. 1 year ago
      Eliminated My Yellow Algae
      We have a 15,000 gallon 16 year old concrete pool that needs to be refinished because it has corroded over the years from chemical use which creates the perfect environment for algae growth. We had mustard algea pretty much everywhere with a concentration on the sides and steps. The Super Algeacide and Super Shock totally eliminated it! It took a lot of elbow grease (brushing and vacuuming), but after a couple days and almost the entire bottle of Super Algeacide over the course of thee days, it ... read more is gone and has remained gone! Last summer I spent much more $ at our local pool supply store buying products to eliminate the mustard algea. Great product and great price!
    2. 4 months ago
      Great price for great products.
      Great value compared to other places, glad I didn’t get price gouged by the chain stores.
    3. 4 months ago
      Great Value
      We always get our pool products here and are never disappointed.
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    In The Swim Knowledge Pool: Algaecides

    In The Swim's Dr. Pool

    Why Use Pool Algaecides?

    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. It is important to use an effective treatment 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.


    For killing out of control algae blooms, look to Green to Clean and Yellow Out, natural and non-toxic chlorine enhancers that boost the killing power of chlorine pool shock. Small localized areas of algae can be eradicated with In The Swim Pool Algaecide, Algaecide 50 and Algaecide 60 Plus, and a stiff pool brush. For repeated algae blooms, step up protection with our Super Algaecide, No Mor Problems or Algae Clear for stubborn situations.


    Preventing Pool Algae

    •  1. Well balanced water, with proper pH, Alkalinity, Calcium Hardness and Stabilizer levels.
    •  2. Constant and consistent chlorine level of 1-3 ppm, along with regular superchlorination to 10+ ppm.
    •  3. An effective filter; run the pump each day for 12 hours daily, more or less, depending on effectiveness.
    •  4. A clean pool; brush, skim and vacuum to remove organic debris which contributes to algae problems.
    •  5. Monitor levels of phospates in the pool. Use a phosphate remover when levels exceed 300 ppb.

    If you do all of that, and still have algae - begin an algaecide treatment with weekly doses of our Pool AlgaecideAlgaecide 50 or Algaecide 60 Plus, to assist your chlorine to combat pool algae. Algaecides accomplish this by eroding the outer protective layers of the organism, allowing chlorine to penetrate into the cells.


    Killing Pool Algae

    •  1. Clean pool of debris with skimming, vacuuming and brushing pool.
    •  2. Adjust Alkalinity to 80-120 ppm, Calcium Hardness to 180+ ppm, pH to 7.2-7.3, and stabilizer to 20-50 ppm. 
    •  3. Add Pool Shock per label instructions.
      • - For light green algae with good visibility, add 1-2 lbs of shock per 10,000 gallons.
      • - For medium green pools with visible shallow end floor, add 2-3 lbs shock per 10,000 gallons.
      • - For dark green pools with very poor visibility, use Swamp Treat or Green to Clean with a triple-dose shock.
    •  4. Brush pool and run filter overnight (remove solar blanket covers while chlorine levels are high).
    •  5. In 12 hrs, check pH and chlorine levels. If chlorine has dropped to near zero, repeat treatment.
    •  6. Continue to run filter 24/7, cleaning filter only when filter pressure rises or flow rates decrease.
    •  7. Add a Clarifier after 2-3 days, to assist your filter in removing suspended particles.
    •  8. Add an Algaecide after 4-5 days, adding an initial dosage, followed by regular maintenance doses, per label. 
    •  9. Add a Filter Cleaner after 5-7 days, to remove algae particles trapped inside of sand or cartridge pool filters.

    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 algaecide will reduce the need for pool shock treatments and are safe for all pool surfaces. In addition, In The Swim's special formulas will effectively eradicate and prevent the growth of all types of pool algae. Strong algae treatments can take your pool from cloudy to crystal clear in less than 24 hours. 


    For More Info See our Algaecide eGuide:

    Pool Algaecide eGuide

    Read More | Download