Bar's Leaks Professional DiFM

Testimonials

AC1 - A/C Stop Leak & Sealer

The evaporator in my Nissan 300zx had a Freon leak and it would leak out over night. I installed the Bars a/c leak stop in the car and charged the a/c system. It stopped the leak and is working great now. Has been four days and system is still fully charged. Thanks for the great product. I’ll have to buy another bottle for my other car.

M. B. - Rogersville, TN

J100 - Professional Cooling System Treatment

A couple weeks ago when I was trying to find a better way than tearing into the concrete slab to find and fix leaks in the copper pipes in our under-floor radiant heating system, I asked you if Stop-Leak had ever been used this way.  I knew from experience it works fine in car radiators; but I could not find a single reference for using it in a radiant heating system on the internet when I was researching the subject.  It seemed reasonable to me that it should work, providing there were no chemical problems with using it in copper pipes instead of car radiators.

You were very helpful in providing data for me that showed Stop-Leak is used successfully and extensively by the Navy in its boilers, heat exchangers, and other things that have water in them.  And, you asked me to let you know how things worked out if I decided to use Stop-Leak.

I did decide to use it.  My plumber bought a 100 pellet (500 gram) container of the product and put it in the system.  By our calculations (about 5,000 feet of 1/2” copper tubing) and the instruction on the container, we needed 400 grams to do the job, but the instructions also said we could use up to 600 grams if we wanted to.  So, since we had a 500 gram container and I wanted to make sure we did, in fact, use enough to work, we put all 100 pellets in the system.

Our first concern was how to put pellets into the piping.  We solved this by dissolving the pellets in water to get a thick liquid and poured that into the system, until we had used all 100 pellets.  After turning on the system and letting it run a couple days we shut it down and check the heat exchanger and filters for any contamination from the Stop-Leak.  There was none.  Everything looked good and clean.

The system has been running now for about three weeks and so far, there have been no leaks that we can detect (although, since the pipes are under the concrete slab it can takes weeks or months before any leaks make their way up to the top of the floor and become visible).  The possible leak we thought we had (we decided to not dig into the slab to verify it, until we tried Stop-Leak first) seems to have gone away – at least we can no longer hear what sounded like a very faint leak under one part of the floor.  So far, so good, I Will let you know if things change. 

While it is probably small compared the industrial, military, and automotive markets you already serve, you may also have a good market in residential housing, if you are not in it already – if you are, there is darned little information available about it.  If my experience is any sign, I suggest your marketing people might want to assess the residential market and aim some of your advertising dollars that way.  It wouldn’t cost much to at least get the word out on the internet and with plumbers and heating repair services that Stop-Leak is a good, economic solution to many of their water-leakage problems.  My experience (so far) is a good testimonial to that fact.

R. Hemann - Residential Radiant Heating System

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