Marlig Fix-A-Leak Review – Will It Really Stop a Hot Tub Leak?

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Looking for an honest Marlig Fix-A-Leak Review?

I recently purchased this product and wanted to leave my Marlig Fix-A-Leak review for anyone looking for an outstanding hot tub leak sealer.

I bought a hot tub last spring off Craigslist.

I got it cheap knowing it needed some TLC.  If you’re interested, you can see my entire Hot Tub renovation step by step in another post on my site.

The hot tub worked great for about 6 months.

Unfortunately, hot tub leaks are very common & hard to fix


One night while soaking, my wife and I heard a loud crack while we were in the tub.

We looked but could see no visible evidence of any issues.

However, within a few days, I began to notice the tub was losing about an inch of water per day. I also noticed excess moisture on the paver stones the tub sits on.

Not good!

I pulled some of the sides off the hot tub and saw at least 4 leaks, including my hot tub leaking from the bottom.

Unfortunately, 3 of the leaks were encased in that spray insulation foam that is typical of hot tub undersides.

I wasn’t sure what to do and was worried my time and money invested in rebuilding the hot tub might have been wasted.

I frantically searched the web for a hot tub leak sealer and came across Marlig Fix-A-Leak reviews on Amazon.

The reviews admittedly weren’t mind-blowing. But then most of the hot tub stop leak products on Amazon had under 4 start reviews.

3 1/2 stars was the total for Marlig Fix-a-Leak.

Lots of great reviews, but enough bad and mediocre ones to make me question if it was a good investment. It also isn’t the only hot tub leak sealer on Amazon.

I studied the reviews on all the hot tub stop leak products that supposedly did what I needed

Then I bit the bullet and purchased a quart sized bottle of Marlig Fix-A-Leak reviews on Amazon.

I read the directions carefully.

Next, I removed the filter from my hot tub. Then I turned the filter settings to on (so that it sucks water through the system). The instructions said to pour the Marlig Fix-A-Leak near the leak or near the intake if you aren’t sure. ‘

I just poured the hot tub leak sealer down the hole where the filter normally sits.

I only used about a 3rd of the quart sized bottle. I had also previously filled the tub right up to the lip so I could easily tell if it continued to lose water.

The next day, I went out and cautiously lifted the lid, expecting to see a big drop in water level.  Amazingly the level was exactly the same.  I also saw no moisture on the pavers that my tub sits on.

I checked again the next day. Again, no drop in water level!  Marlig Fix-A-Leak appeared to be working!

Finally, on the 3rd day of zero change in water level, I put the filter back in and applied my normal water treatments. By the 4th day, we were back in the tub as usual!  So far that was about 3 months ago and we’ve experienced no issues.

Even if I have to repeat this process a couple times a year, since I only used 1/3 of the Marlig Fix-A-Leak, I could easily repeat the process 2 more times before needing to buy another bottle.

Even with purchasing 10 bottles of hot tub leak sealer, that’s still less than having a repair person come out to fix your leaks.

So in my experience and in my Marlig Fix-A-Leak review, I think this product works perfectly and did exactly what it says it does.

Want to check my story out?  You can actually see my Marlig Fix-A-Leak review on Amazon’s product page. It’s under my wife’s name since our Prime account is under her name; Cassandra Campbell.  You’ll also see it’s a verified purchase.  Thus my Marlig Fix-A-Leak review is truly my accurate story of my purchase and use of their hot tub leak sealer.

Want to buy it?

You can purchase Marlig Fix-A-Leak on Amazon right now through my affiliate link. 

An affiliate link doesn’t cost you anything extra; Amazon just pays me a small percentage for sending you to them. And with your Amazon Prime account, you can have your hot tub, spa or pool back up in just a matter of days!

Do hot tubs lose water?

All hot tubs lose some water naturally due to evaporation.

How much water gets evaporated is based on:

  • How humid your weather
  • The temp you set the hot tub to
  • How often you use it
  • The frequency the lid is left open

All that being said, under maximum conditions, you might see 1-2 inches per week lost.

But there’s much more that goes into hot tub water loss, how to tell if it’s evaporation or a leak, winterizing your hot tub and more. Thus, make sure and check out a post that goes deep into Do Hot Tubs Lose Water?

Did I cover everything you wanted to know in my Marlig Fix-A-Leak review?

In this review, I covered the exact problems I had with my hot tub leaking. Specifically, I went over exactly how I used Marlig Fix-a-Leak to correct the problem quickly & easily.

Whether your hot tub leaking from the bottom, a crack in the acrylic or one of the jets, I bet you’ll find that Marlig Fix-a-Leak hot tub leak sealer will work for you, just like it did for me.

If you buy it and try it, I’d love to hear how it worked for you. So feel free to comment here.


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