Marlig Industries Seal 32oz Marlig Fix Pool and Spa Leak Sealer 32 oz-2 Pack (3-(Pack))

Edit. It does work, it does stop the leak each time it is put in the system, but my leak is apparently in a place that cannot stand up to the pressures of the running pump system. I waited until the pool was at the recommended 70 degrees before making my final judgment on this product, but the results are always the same. I add the fix a leak, it stops the leak. I leave it to sit without circulating the pump for a week. I even plugged the jets and drained the return system to let the fix a lead dry. But each time I turn the pump system back on, the leak is back. I'm not faulting they product because I believe the leak is too big for this stuff to permanently fix.Old review: The Marlig Fix A Leak works! I have been suffering through a pool leak for years now. I had isolated the leak to the supply jets and bypassed them with an unsightly over the deck set of pipes avoiding the hassle and cost to do the repairs right, but I had resigned myself to trying to call a pool company out to fix it. Thankfully, they’re all too busy. While researching pool leaks, I came across a YouTube video about the Marlig Fix A Leak. I looked it up on Amazon and the reviews were better than I expected. I had been facing three to four hundred dollars just to diagnose the leak and a bottle of this stuff only cost $30 so I figured there wasn’t any harm in trying it.My one reservation is that the pool is still quite a bit colder than 70 degrees right not. I wrote the manufacturer who promptly replied that while 70 degrees and warmer was optimum, the Fix A Leak should still work, just slower. So I gave it a try adding a 32 ounce bottle to my 12,000 gallon in ground fiberglass pool. I started the pumping and still lost 4” of water elevation in the first 18 hours of operation. I was thinking that the water was too cold, but I recirculated the build up of a gray matter at the bottom of the pool and refilled it. The next day, I was surprised to see the water up still. The next morning I was even more delighted to see the water still at the same level more than 12 hours later. And now after more than a full 24 hours, the water level is still the same. Yes, it went from loosing 4+ inches a day to 0 inches.All I can say is thanks for inventing this!

I had a leak in my 35K gal pool. I was loosing about an 1" a day. The pool is 40 plus years old. The joints in the pipes are galvanized but the pipe itself is a plastic material. The pipes are covered by concrete so I don't know what joint is leaking. The galvanized joints over time get a lot of little pin holes in them. So I came across this product. Bought two bottles and followed the directions. Waited about 32 hours and returned my pump to filter and it seemed to help. I'm still loosing water I think but much less. I'm going to try next year right when I open up the pool to put two bottles in and see how it works again. Word of caution.... If you have a robot cleaner don't put that in before you backflush and return it to filter. I thought it might mix the product up but the chemical just got trapped in the robots bag. It makes a kind of slurry. I can see why it would plug the tiny holes in the joints. but even with that I think it worked.

Had used this item in the past and it was successful. This time when it arrived it was way thinner. The leak didn't stop at all, so I used the second bottle. Again, the product was thin compared to the past and the leak didn't slow at all. I contacted the seller through email but never received a response.

This product will work as long as the leak is not bigger then what is described on the directions. It did seal the leak in my pipe however, I did find a bigger leak elsewhere which had to be repaired manually. It was fine after that. It is best to try to find the source of the leak and take it from there.

Hot tub developed a leak somewhere in the plumbing and could not find the leak. Tried several brands at the hot tub store and nothing worked. Bought this as a last resort and within minutes the leak stopped. That was six months ago and not a drop if water leaking since.

So far so good. It's holding. I used one bottle the way the instructions said and it lasted a full season. Bought it again and it stop the leak again. Not sure if it's the same leak but regardless the pool isn't leaking.

i used it on my inground pool, totally ineffective . 3 weeks has gone by and i have to vacuum my pool manually every 2 to 3 days to get the remnants of this product out. ruined my pool. this product is purely a scam

Have a leak in my pool I can't locate. Figured I'd try this before calling a specialist. This didn't work but there is no telling how big my leak is so I wasn't expecting it to work just hopeful it would.