Water cooled laser-

[Kev Williams]

My New Hermes rep asked me if I'm supposed to use de-ionized or distilled water in my new laser?

Should I?

Instructions don't say- in one place it says simply "use pure water"...

[Mark Sipes]

Distilled would be the purer version..

[Dave Sheldrake]

There are some circumstances when de-ionised is bad Kev (dissimilar metals, joints etc) , as Mark said Distilled is usually good :)

cheers

Dave

[Kev Williams]

That's what I wanted to know--! :)