Cooling Liquid in a K40 Laser / What i use

What Cooling Agent to use with a K40 Laser?

Its been over a year now since i last changed the cooling water for my K40 Laser. I will show you what components i use for keeping my laser cool and what additive i use.
In addition it was the right opportunity to fix an issue i had with the thermometer and clean up the fan. By the way i still use the original fan the laser came with. Even it is the most cheap piece of plastic you can probably find, it still works fine.

Below i added some links where i got the PC Water Cooling
Radiator and Fans such as The Flow indicator:

PC Radiator: https://ebay.to/2Vlp9Kf
Fan: https://ebay.to/2ZpWhjg (you will need 2)
Flow Indicator: https://ebay.to/2Dt8z0K
G1/4 Thread Tube Fitting: https://ebay.to/2DppmSE
G1/4 Inner Outer 90 Degree Rotary Adapter: https://ebay.to/2IAtnaO
Digital LCD Thermometer: https://ebay.to/2VY2wsx
Temperature sensor (the ones i had ordered seem to be gone, but these are even better): https://ebay.to/2vhWwiu
Boiler Antifreeze Glycol: https://amzn.to/2GyqxAR
You will find silicone tubing at your local aquarium store.

I hope you enjoyed this video!

There are more videos about the K40 Laser and other interesting Projects on my Channel!

https://www.youtube.com/user/kennnix
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