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by Animats
1214 days ago
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> but from working with the factories they aren't quite as expensive as people think- the distributor markup is huge. That is good to know. In the US these things are sold by high-markup "lifestyle" suppliers. Gas-discharge tubes are not inherently expensive, but the market is not yet large. > A visible light filter that allows 222nm through. ... No blue UV death glow... Yes. For long-term deployment that's needed. |
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