America's #1 Direct Source for Pool Supplies!

1.800.288.7946 Experts Available 24/7

Menu
Call Cart
one day delivery

1 Day Delivery

Your ZIP Code: 02139 Cambridge Change Location

To Cambridge Change
Celebrating 35+ Years!
Source / Promo Code:WYAARUNKEdit
cart overlay

    Showing 0 of 0 item View All

    Estimated SUBTOTAL* :  $0.00

    *Excludes taxes, handling fee, and EZ Pay Service Fee, if applicable.
    Source Code:WYAARUNK Edit
    Winter Cover Sale!
    save 10% OFF! Our Most Popular Winter covers!
    Save 10% OFF! Our Most Popular Winter Covers!
    BUY NOW and be ready for this season's end! Shop Now!

    Pool Clarifiers

    1. 7 years ago
      Better Than Most Clarifiers
      Tried this at opening last year since other liquid clarifiers didn't seem to work too well. Dropped one in pump basket overnight and by the morning there was a noticeable improvement. It didn't clear up the water like magic but the water definitely looked better than when I used other products. The only drawback to this is it is a gel and was stuck to the pump basket where the water was flowing into the pump and until it disintegrated to a small size there was a drop in pressure.
    2. 1 decade ago
      Lifesaver for spring cleanup
      The 1st spring we opened our pool after moving into our house the pool had a terrible algae problem. We were able to rid the pool of the algae but couldn't get the water cleared up. We tried several different products from our local pool store and finally I ordered the Miraclear shell. I put it in the pump basket and the next morning the water was clear!! Every opening now just in case, I use it to make sure I won't have any issues with cloudy water.
    3. 1 month ago
      Final Touch for Crystal Clear Water
      After adjusting ph and sanitizer, placing one of these little blue clamshells in the filter basket really promotes clean, clear water in our pool.
    1. 4 years ago
      Scum balls are great
      These do exactly what they're adverised to do, and a very good job of it too
    2. 9 years ago
      Amazing Hydrophobic Technology!
      The technology behind the Scum Ball is pretty slick. It is made with a "hydrophobic" material...meaning it repels water and attracts oil. And boy does it work! You drop one into your skimmer and just let it bob around. That oily sheen you see on the surface of you pool from suntan lotions & oils will adhere to the ball. Now the ball DOES get goopy after some time, but you can wash it out and reuse, or just toss it and throw in another.
    3. 1 year ago
      Takes out oils and dirt!
      These work well in the skimmer to keep dirt off the liner at the water, or scum, line.
    1. 8 years ago
      Very nice product
      Discovered the cube last year.... was having major problems w/ algae, as my pool is surrounded by trees. Just a few days after dropping the cube into my skimmer basket, the water was perfectly clear and stayed clear all summer long. It also reduced my shock consumpion by 2/3. I highly recommend this to anyone struggling w algae or cloudy water. I am using again this year w same great results!!
    2. 1 decade ago
      Incredibly Effective
      I have been running my pool with a non-clorine product for the past 3 years and ALWAYS had problem algae. I never saw the bottom of my pool...until this year. This product is incredible! One cube in the skimmer lasts about a month and keeps the water crystal clear. I know when the cube is completely dissolved because my water starts to cloud up again. Insert a new cube and it is crystal clear again the next day. I'll never run my pool without one of these in the skimmer.
    3. 4 years ago
      JUST...WOW
      Literally grew up taking care of pools my whole life from parents house to mine. We have a 40x20x9 inground. This one cube works AWESOME! Water has not been so sparkling clear for so long with other liquid clarifiers ever! We will def be purchasing this every year. My 3" chlorine puck consumption has been cut in half this year! Buying another now for my moms pool and if it does the same no doubt this would be the best pool chemical product i have used in 30 years of maintaining pools. I was ... read more skeptical like the rest and NEVER write reviews...this product deserves it esp when we keep getting comments on how awesome the water looks! Best 20 bucks spent on my pool in years!
    1. 7 years ago
      SIMPLY AMAZING
      I was having trouble with my pool water turning milky white.I spent about $110 at the local pool store using their products with no luck.As a last resort i took a chace with this product and i am very impressed.After just one day i could finally see the steps on my ladder and by day two i could see the floor of the pool.After a second dose the pool was CRYSTAL CLEAR....This is the best product ever.I will make sure i always have this on hand during the summer....
    2. 1 decade ago
      Best Purchase
      I have been trying for 2 months to clear up our pool. Nothing had worked until I tried this product. Our pool was blue but still cloudy and the more chemical we put in the worse it got until First Aid. I can now see the bottom of my pool!
    3. 6 years ago
      Pool Aid
      I have an above ground 18' ft. round pool. Took off winter cover (NON Mesh) and opened up pool as usual. Water was cloudy and dark. Rebalanced all chemicals and got that right but water remained cloudy even after a couple of days. I have a sand filter so just kept sending a few inches of pool water to WASTE (then backwash, rinse, filter) and then replaced those few inches with FRESH water. Did this every other day. Checked water chemical balance daily -- all good. Would maybe only need to add ... read more more Chlorine shock to assist in killing algae, etc. Water still cloudy a week later. After a week of still not seeing the bottom and not wanting to spend $$$$ on chemicals not needed. I tried POOL AID and you should KEEP your filter running!! Do not shut if off. Next morning, saw the pool bottom!!! Dead stuff dropped down so and I vacuumed off to WASTE cycle and got almost all of it OFF off pool bottom! An amazing, quick working, timesaver product! Who knew? Did a second round of Pool Aid (half of the first round)...just to get it crystal clear....I will see it this this afternoon..and I'm sure the water will now be even more clear! This saved me tons of work and buying useless chemicals. I am impressed and would recommend if you do not want to waste time and money. TRY this first! Then see if it's anything else.
    1. 5 years ago
      Works perfect
      Our pool chemical testing was perfect every week, but our pool did not have the beautiful clear look. This product really worked. I was unsure that any product could make the pool water clear again and this one did.
    2. 5 years ago
      Best Clarifer Available
      Have used other clarifiers that were more expensive and this is far superior. Just apply around pool surface once per week and your pool will sparkle. No diluting. Great product.
    3. 9 years ago
      best clarifier made
      This clarifier is definitely the best I have purchased. The 4-in-1 option is great because I have not had to use a separate metal control product. Also, I have been able to backwash my filter less frequently, and I have had water that absolutely shimmers in the sun since I have been using this product. It does all that is says, and is not much more expensive than a regular simple clarifier. I noticed a huge difference once I started using this product versus the regular clarifier. I always get ... read more compliments on how much the water sparkles.
    1. 2 weeks ago
    2. 5 years ago
      Great Product
      I have used Super Clarifier along with several of InTheSwim products over the past several years and have always been very satisfied with how well they work, to make my work so much easier. Super Clarifier has my pool water sparking in no time at all.
    3. 1 decade ago
      Super is the correct adjective
      Super Clarifier is such an outstanding product. I have to mark the calendar to assure I don't forget to put it in the pool. The water stays so clear and sparkling, it never "needs" to be clarified. This is really remarkable since the pool water is extremely high in TDS (total dissolved solids).
    1. 7 years ago
      Magical
      I tried everything for over a month to clear up my pool water. You could not see half way down in the water. I have a 33'x18'x54" pool 19,000 gallons of water. I tried 2 different types of clarifier and everything else I could imagine short of draining the pool. Well I decided to give this product a try on a last ditch effort before draining most of the water. Well I followed the directions and put 16OZ of this product in the pool let it circulate for 2 hours shut the pump off and over night ... read more magic. Everything went to the bottom I vaccumed to waste and now my pool is crystal clear. Thanks in the swim for such a great working product.
    2. 1 decade ago
      Really Great Product
      I purchased this product after running my pump and filter and adding chemicals for days and still was not able to see the pool bottom because of cloudy water. I was getting ready to dump and refill the pool when I seen this product on the website.I read all the customer's reviews and most were 4 to 5 stars, so I thought, why not give this product A try first. I Used 16 ounces of this product as directed by the bottle label waited 12 hours "Behold" the water was clear, I could see the bottom. I ... read more vacumn the residue and trash from the pool bottom. I now have perfectly clear water. This product really worked. It saved me time, money and a lot of water. If you have cloudy water buy and use this product. I will always keep this product on hand.
    3. 1 year ago
      Worked Very Good - Almost too Good
      I opened my pool a little later than normal this year, so there was much more algea than normal. After trying normal normal pool opening chemicals abd clarifier which cleared the the water to pool of being just cloudy. I could not get it any clearer. I used the Flox, turned off the pool pop for 12 hours, and the next day there was the white blank on the bottom of the pool. I vacuumed up the white blanket (be sure to vacuum to waste out of your filter will clogg very quickly.) the water was ... read more about 95 clear. When I say it worked almost too good, i mean that for the next four days every morning there was white setiment at the bottom of the pool, which was kind of annoying. However, it did what it was supposed too and cleared the water perfectly.
    1. 1 decade ago
      Did a Great Job
      After being gone for a week, we returned to a pool that had the color of Mountain Dew. So I shocked the pool and added the clarifier. In two days, the pool was clean and I just needed to vacuum .
    2. 1 decade ago
      Best of all clarifiers,great quality !!!
      I had tried all Brands of chemicals for my in ground pool and over the past 5 years always buy the BEST for them. There products work just use as instructed you won't be dissappointed.Their prices and qualitiy of service is far beyond any of the competition,try them you not go with any other brand or company that will come close to not only their chemicals ,also all products,pumps,heat pumps ,covers and anything offered is the BEST BANG FOR YOUR BUCK ..Try them you won't be dissappointed.
    3. 1 decade ago
      Great product
      We have had a lot of rain and it makes our pool very cloudy. When I use this clarifier it clears it right up.
    • 2019-09-16
    • bvseo_sps, prod_bvsp
    • cp_1
    • tr_24
    • loc_en_US, PRD
    • clientname_Intheswim, pc_8, tc_8
    • bvseo_sdk, java_sdk, bvseo-3.1.0
    • CLOUD, getContent, 7ms
    • SPOTLIGHTS, CATEGORY

    In The Swim Knowledge Pool: Clarifiers

    In The Swim's Dr. Pool

    Pool Clarifiers Coagulate Small Particles

    In The Swim pool water clarifiers work by causing fine debris particles to coagulate into larger particles which can then be removed from the pool water through the pool filter system. In The Swim's pool clarifiers are available in a ultra-concentrated formula so you can achieve water clarity while using half the dosage rates of other swimming pool clarifiers.


    How Do Clarifiers Work? Pool clarifiers act as coagulants; positively charged polymers are attracted to negatively charged particles floating in the pool. Particles that are too small to be filtered are coagulated together into larger, more easily filtered clumps. After adding a pool clarifier, your filter does the work for you, clearing the water until such point that the filter needs cleaning. 

    Who Needs to Use Pool Clarifiers? Pool clarifiers can benefit any pool owner who wants a sparkling clear pool, with less visible particles floating in the water. Pools with large DE filters should not need to use clarifiers, but sand and cartridge filters can pass particles of visible size, making your pool look hazy, dull or cloudy. Clarifiers add clarity to the pool water, and are useful after spring opening, after algae battles, or as a filter aid to help undersized or poor performing pool filters. 

    When Should You Not Use Clarifiers? 

    • - Immediately after shocking the pool, high chlorine can destroy clarifiers. Wait until chlorine level returns to normal.
    • - Within 3 days of a previous clarifier treatment; over-dosing with clarifier can have the opposite effect, acting as a dispersant! 
    • - If you have a DE pool filter. Polymer clarifiers can clog DE filter grids. Use a chitin based clarifier instead, like Sea-Klear or our Ultra-Clear

    Are Enzymes also Pool Clarifiers? Not exactly, pool enzymes are a natural product that can be used to remove oils and organic debris in the pool water. Enzymes are often blended with clarifiers for a multi-purpose treatment, in products such as Pool Perfect, Pool First Aid, or Free & Klear, for faster water clarity. Pool enzymes also clean your pool filter by removing oily deposits that make filtering less efficient.