Quote Originally Posted by Bert Kemp View Post
I have been advised by Rabbit Laser USA to never add anti freeze to laser tube water. big no no according to Ray Scott at Rabbit Laser. He said if I did and the tube failed it would void my warranty.
How long is the warranty on your tube. Remember that the date on the tube is the starting date of your warranty so you may already be out of warranty after just a couple of weeks.