No, they used HPS. Although now replaced by LED. | Hacker News

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genter on June 12, 2024 | parent | context | favorite | on: How to make colored fire at home (2020)

No, they used HPS. Although now replaced by LED.

sva_ on June 12, 2024 [–]

Ah, fair enough. Doesn't seem so hard to find a legit one though. Searching for Philips SOX gets me a lot of results for example.

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