Populargrow on AliExpress. It’s default 470nm you can chat with them via support and have it be made up of a variety of LEDs. Mine is 450nm and 470nm. $60 total including shipping and solid build quality. @Telegram on Instagram did a really nice review.
They are the same, if I’m not mistaken. @Telegram compared these against both Orphek and Reefbrite, and based on his comparison it makes it difficult to justify Orphek/Reefbrite.
