This video was originally going to show how to identify fake and real germicidal lamps on eBay, but randomly ended up as a technical video instead.
Both eBay and Amazon are flooded with fake germicidal lamps that are either just near UV (violet), a bright pastel blue designed to emulate the visual spectrum of mercury vapour tubes or in this case just a plain blue LED lamp.
They're still interesting colours, so I decided to modify a couple to reduce their power rating to extend the life of the LEDs and power supply components.
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