Magic Erasers In Your Pool

Have you heard of the new trend of putting Magic Erasers in your pool skimmer?

No? Neither have us.

Recently, a pool owner contacted us on Facebook to ask us about the legitimacy of Magic Erasers. Sure, I’ve used them around the house but never in a swimming pool. In fact, no one at INYO has come across this scenario either. So, we wanted to do more research on the Magic Eraser hype before we recommend it to pool owners.

How Did Magic Erasers Become A Thing?

If you come across the Magic Eraser phenomenon, you have Lisa Pack to thank. After a recommendation from her daughter, Pack decided to put a Magic Eraser in her pool skimmer overnight to see if it would clear her pool. Much to her surprise, it did. According to Pack, she placed the sponge inside the skimmer basket for 24 hours. By the next day, the green steps were crisp white and the water was crystal clear.

Image result for magic erasers in pool

Soon after, her Facebook post went viral. News outlets, YouTube channels, and even Inside Edition interviewed Pack about her viral post.

Now, strangers and pool owners all over America are jumping on the Magic Eraser bandwagon.

However, the legitimacy regarding how effective Magic Erasers really are is still up in the air. How effective are Magic Erasers?

Magic Erasers And Their Effectiveness

Although we’d never heard of using Magic Erasers in a pool skimmer before, our initial thoughts were that it was too good to be true.

A mason jar filled with green water has a Magic Eraser inside. The cleaning product seemed to remove some, but not all the algae.As questions and comments began to flood the INYO Facebook page, our curiosity increased. In fact, so did the curiosity of several different service technicians in Florida. Andrea Nannini of Custom Pool and Spa Mechanics in Stuart, FL used the opportunity to test the theory behind Lisa Pack and the Magic Erasers. After a series of tests, the results confirmed what she and many of us thought, a Magic Eraser is not the answer to cleaning your pool.

To test it, Nannini placed a Magic Eraser inside a jar that she filled with green water. The Magic Eraser absorbed some of the algae in the water, however, it did not completely remove the algae from the water.

I should also note that Pack’s water was not very green. In fact, it was only cloudy. In all fairness, the Magic Eraser will work to eliminate some of the dirt in your water, however, only to a certain extent.

Not to mention, the Magic Eraser isn’t actively maintaining or correcting the chemical levels of your pool.

Magic Erasers Do Not Belong In Swimming Pools

Nannini plans to take her Magic Eraser tests even further. There is a chemical in Magic Erasers called melamine. One theory suggests that melamine, also used in CYA tests, might actually contribute to stabilizing your pool water. However, according to her research, if the water has CYA in it already, introducing melamine would create a toxic byproduct called Melamine cyanurate. Although her tests are not complete, the overall conclusion is that a Magic Eraser is not an effective product for pool treatment product.

To take things further, Nannini emailed the manufacturer about using Magic Erasers in swimming pools and the company replied by saying, “The answer to your question is no, we have not tested the products in pools, and the chlorine may react or interfere with the ingredients in the product.”

Well, there you have it, folks. We’re not sure why the Magic Eraser worked for Lisa Pack, however, like many pool regiments, what works for one may not work for another.


Help Cleaning Your Green Pool

If you are reading this blog post looking for advice on how to clean your green pool, don’t worry, we’ve got you covered. You can take advantage of the video and article detailing how to clean a green pool.


You can access the written how-to guide HERE. If you have any questions about Magic Erasers or cleaning your green pool, leave us a message in the comments section below.

21 thoughts on “Magic Erasers In Your Pool

  1. I have used Magic Erasers to clean the sides of my white fiberglass pool..It works really well. But should I be using it??


  2. My pool was not green when I opened it. But it was cloudy. We have been working for week to get it clear and have not had any luck. We have been keeping our chlorine levels goo and been skimming and vacuuming daily. Any suggestions?

    1. As a lifeguard, we always used Ajax for the tile edges that would get a bit of muck on them. Worked great, and never had a problem.

  3. After reading your article, your test is not accurate as you didn’t use it in the same method under the same conditions, so of course in no way are you going to get the same results. What i see here is a website trying to debunk something so people dont try new things that poasibly work in order to keep selling your pool products. Plus saying that Chlorine could cause a chemical reaction but nothing is said about the cleaning products used with magic eraser? Go back to the drawing board guys, you proved nothing.

    1. Those Magic Erasers have Formaldehyde in them for cleaning purposes, which when mixed with the chlorine that should be in the pool,will either cause a thermal reaction to make carbon monoxide and hydrogen chloride (the latter being a poisonous gas) and when that thermal reaction is exposed to sunlight it becomes phosgene (another poisonous gas)

      It’s not so much trying to debunk something to keep selling pool products, it’s simple science so we don’t gas more people to death by accident. That shit already happened in the 40s.

  4. It’s working in my pool & quick too! Now my pool was cloudy. I did the start up kit but no water clarifier yet. I’ve had a pool all my life & it never got this clear so fast! I’ll take it out soon as the pool is ready to go & try it again thru out the summer!!

  5. Ho, I just have one question and that’s how to remove stains from the bottom of my pool? It’s been stained for a bit over a year I say? My mother thought the magic eraser might work but I thought it was too good to be true and I was a little bit right? I just wanna clean the stains off the bottom of my pool is All.

  6. The “magic eraser” is just a type of foam insulation that works are ablative sandpaper. It’s not going to magically clear the pool water just as it won’t magically clean your tub if you just set it over the drain as you take a shower.

  7. We’ve tried it and although in the pool I couldnt tell a huge difference, the eraser was pretty greeen when done, We took the tablets out of the skimmer. The formaldehyde content is a non issue, I believe the companys response. I have a 40,000 gal pool, so I dont think the little eraser is gonna cause me to grow a 3d eye or anything like that. Its worth a try, not a biggie either way. Thanks for all these scientist with their post on here

  8. This is the first year we’ve used the Magic Eraser in our pool and it absolutely works. We’ve had a crystal clear pool all summer with little or no maintenance each week. We keep one in the skimmer at all times (have only used two all summer).

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