Just curious how are people chilling their lasers?
Some time ago https://plus.google.com/+ArielYahni/posts/ZpPNukwM2X5
If I don’t turn mine on it just sits there and “chills”…
And when my tube isn’t chilling with frozen lemon slices, I have a 2 gallon water reservoir that I keep cold with frozen water bottles.
Portable A/C from LG
with a tea bag ;-))