Show me a picture of you using Nylog! I have had this message and comments come up A LOT! This is not a sponcered post! I purchase and use it. Nylog is made of Refrigerant oil, red from mineral and Blue from Synthetic that works with both. It never dries because it's an oil. It works great for o-rings, flared faces, semi-hermetic gaskets and more. It does not replace a good flare but helps make a good flare great. It will not damage a compressor nor will it void the warranty. 1st, it's made of R

Scientists unintentionally created this popping new shade of blue. | New York Magazine