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🧪 Detect the invisible, protect the invaluable.
The Refrigeration Technologies RT175B Big Blu Brush On MicroLeak Detector is a professional-grade, NSF certified leak detection liquid that identifies micro gas leaks as small as 0.74 oz/year. Featuring a convenient brush-on applicator with a 10-inch extension dauber, it offers precise, non-corrosive detection safe for all gases and food environments. Trusted globally across HVAC, plumbing, aerospace, and telecom industries, it ensures reliable, persistent bubble formation for quick leak identification.
| Customer Reviews | 4.6 out of 5 stars 399 Reviews |
O**B
Simple but effective product
This is not your typical soapy water. This is some thick stuff. Normally I use soapy water or some type of cleaner and wanted something more sensitive. While this takes a little time for stuff to show, this is quite good at showing the micro leaks. I’m very pleased at this for the price as this helps finding a tiny leak when a leak detector can’t find it when it’s a little breezy.
J**R
A little goes a long way
Does what you'd expect. Helped me find a really small leak in a welding setup. A little goes a long way.
Z**1
Good product.
Great product that everyone should have around for checking for possible leaks
B**D
Detected micro leak within seconds
This detected a micro leak within seconds of applying it. The leak was not detected by a gas sniffer device but this detected accurately and fast. it started making little bubbles rapidly. I tighten the connection and retested, and it was all good.
R**E
works
works
M**J
Easy to use and accurate
Best leak detection that I have used. You will know one way or the other if you have a leak. Simple and trustworthy.
L**C
Works Great At Finding Small Leaks
I was a bit sceptical when I first heard of this. However I've used it to find small leaks on AC systems under pressure and it works great. I'm a mechanic and the magnitude of my work is motor vehicles which can be very difficult to source small leaks due to component location, obstructions, and plumbing design of systems. Recently, it saved me on a MINI Cooper which I was suspecting an evaporator on, until I used this and it revealed a microscopic pinprick on one of the hoses to the compressor which would only leak when the hose was stressed at times. Soapy water didn't do it for me, but this stuff foams and bubbles up real good. I was able to catch it. Thinking of buying their spray solution as well.
A**R
Very little waste
It works great !!! Its easier to use than the spray. you can put it right on the joints without wasting
Trustpilot
1 month ago
3 weeks ago