I thought when I used it years ago it was just distilled water and 1 bottle of water wetter...no antifreeze. It's been awhile though. What did the bottle say?
****** just looked it up on the red line site--they say to use straight with water OR add a little antifreeze for better heat transfer.
Last edited by cobrakidz; 04-11-2013 at 01:29 AM.