FJC 4910 Universal A/C Fluorescent Leak Detection Dye - 1 oz.

Easy to see, and definitely worth the price. As needed, I will purchase again in the future. A good product.

Bright, good for seeing leaks

Works well

Must have item for doing ac work. This stuff does the job, give it a moment to run in the system and use your light to find leaks.I use my gauges to put it in the system, there are many ways to do it, I just prefer that way.Keep in mind this is a dye, get it everywhere and everywhere will light up when you use your black light, you don't want to get it on the ac lines because it will just make it harder to find the leaks.I clean it off the lines with brake cleaner and use Simple Green to wash my hands with if I get some on me.

Ok

Ordered this instead of driving two hours to pick up the bottle I left at home.I don't know if its the dye or the light I ordered along with it, but it's much brighter than the stuff I used to use.Used maybe 1/4 of the bottle to diagnose a damaged AC condenser. Will order again if I run out.

Works like it's supposed to, it's thicker than I expected. You could probably use this for quite a few vehicles as you don't need much

Use it to find a leak on my car vice paying $ 90 to check for the leak. I was able to find out that my A/C condenser was the source of the leak. I ordered and replaced it with a new one. This leak detector saved me over $500.00 when I DIY vice repair shop.

The green color was finding a leak area on radiator corner area. it worked well for me to help the leakage out.

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