I picked up a black light CFL from wallmart. It was in green packaging. I can't remember the brand name. But I'm pretty sure it was 13 watts. Any idea if this thing will give off UVB, or for that matter some blue spec?
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I picked up a black light CFL from wallmart. It was in green packaging. I can't remember the brand name. But I'm pretty sure it was 13 watts. Any idea if this thing will give off UVB, or for that matter some blue spec?