My RECI W2 laser tube was power goin weak day by day

[GingerKarma (Mark)]

Not sure how to link to an old topic, but here’s the original conversation I had on this site.

Dodgy(?) Chinese eBay laser seller question

I reckon this topic could be a forum in its own right. I bought a Redsail laser (90W RECI W2 CO2) from an eBay site in China, knowing full well that I’d get what I paid for and some mucking around would be necessary. That said, I’ve been very happy with what turned up. A couple of little “huh?” observations, but in general I’m stoked. Now for the mucking around. After a week of pottering around doing material tests and a couple of little projects I realised the power was fading. Pretty quickly…