News Article Thought this would be worthwhile to put up. Those in attendance at an event in Hong Kong were left with skin and eye damage after (blame unclear) a contractor used UV-C band tubes. The running theory is that someone unaware of the different UV bands selected the UV-C tubes because the lack of dark glass and phosphor makes an admittedly nice effect. For those who are unaware, there are three main UV bands that lights come in. UV-A : This is the kind you want. ("BLB") class tubes fall into this category, coated in black glass. ("BL") class tubes have white phosphor-coated glass, and intended to attract insects, though they can work for blacklight purposes... UV-B : This is going into burn territory, please don't use these tubes. (Though it could be worse.) Tanning bed lamps, despite producing 95% UV-A still pump out about 5% UV-B and thus should be avoided. UV-C : Germicidal tubes. Very bad, this is what the above linked event made the mistake of using.