 Last comments - High Pressure Sodium
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SON under SOXTuopeek23/11/25 at 18:34Tuopeek: Thanks, Yes, I have often played with low pressure...
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SON under SOXTuopeek23/11/25 at 15:05Ria: Interesting. Seen SOX under SOX before, but never ...
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Multi Vapor Halide Tuopeek17/11/25 at 15:44Tuopeek: It was an eBay buy but I think from an electrical ...
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Multi Vapor Halide Tuopeek17/11/25 at 04:41Max: Did you buy it, or was it given to you? What you h...
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Multi Vapor Halide Tuopeek16/11/25 at 11:42Tuopeek: Interesting, the lamp is essentially new, although...
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Linear HPSTuopeek16/11/25 at 10:07Max: Osram sourced its sodium arc tubes from NGK, and t...
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Multi Vapor Halide Tuopeek16/11/25 at 10:04Max: That's peculiar... standard GE MVR lamps are ...
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HPS on DCTuopeek13/11/25 at 09:48Max: I know that the red fluorescence excited by blue l...
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HPS on DCTuopeek12/11/25 at 18:21Tuopeek: Good use of an old HPS arc tube. I have one I keep...
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HPS on DCTuopeek12/11/25 at 08:07Max: Sodium arc tubes certainly have many uses beside g...
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HPS on DCTuopeek09/11/25 at 11:32Tuopeek: Sammi - I love doing experiments, just want to do ...
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HPS on DCTuopeek09/11/25 at 08:53Max: Thanks for showing us your experiment, it's n...
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HPS on DCTuopeek09/11/25 at 00:21Sammi: It's always nice to see these experiments. 8...
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Last photons emittedTuopeek09/02/25 at 22:48Max: Awesome shot, that's some really painful deat...
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Last photons emittedTuopeek07/02/25 at 00:57Ria: Awww, poor tampses ...
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SON/T cruelty Tuopeek03/02/25 at 10:38Tuopeek: Ria - It's for a good cause.. my entertainme...
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SON/T cruelty Tuopeek02/02/25 at 13:41Ria: Awwww, poor lampses
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SON/T cruelty Tuopeek02/02/25 at 12:00Tuopeek: The 90W SOX ballast sound like the way to go to ke...
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SON/T cruelty Tuopeek02/02/25 at 11:02Max: Why so much hate and cruelty? 
More serio...
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SON/T cruelty Tuopeek02/02/25 at 08:54Tuopeek: Damn, didn't spot that Thanks now fix...
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SON/T cruelty Tuopeek02/02/25 at 01:33Ria: Who can't spell justice then..?
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Mercury free HPS Tuopeek03/01/25 at 20:20Tuopeek: They were using it in tooth filling amalgams until...
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Mercury free HPS Tuopeek03/01/25 at 18:50Ria: You could, I had a jar of it I got from an army su...
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Mercury free HPS Tuopeek03/01/25 at 14:07Tuopeek: Good points Max, thanks. Doesn't help that I ...
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Mercury free HPS Tuopeek03/01/25 at 13:06Ria: I've honestly never understood the obsession ...
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Mercury free HPS Tuopeek03/01/25 at 11:11Max: Happy new year! The difference in light output bet...
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Mercury free HPS Tuopeek02/01/25 at 19:30Sammi: Nice to see, and a Happy New Year to you.
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1000W SON/TTuopeek27/10/24 at 16:33Tuopeek: Indeed, thanks for confirming the date and type. I...
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1000W SON/TTuopeek27/10/24 at 13:56Sammi: It's wonderful that you can share such in dep...
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1000W SON/TTuopeek27/10/24 at 11:38Max: Nice big SON/T! Its overall design (frame, 5-pcs b...
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