Originally Posted by
ieman43465
I am new to this forum. I own a little hobby 40w CO2 laser from China and I use a 5 gallon bucket with three 1/2 gallon frozen orange juice containers. I am running into laser tube failure after failure and was wonder if it is due to not being cold enough. The two gallons of water I have in the bucket stay between 55-65 degrees. The vendor tells me I should get 1500-2000 hours out of each tube. First is this an accurate number, and second, what temperature should the water be at for cooling the tube?