So with that said, what's comprable to the 10K Phoenix?
Not a Phoenix bulb. They market it as a phoenix replacement. Anyone use these before?
Unfortunately metal halides are not necessarily made for aquariums. We just use the ones that work well and a few of them may have custom gasses for aquarium use but as the industry they are made for switches over to led we are doomed.
Radiums are for lighting the outside of buildings.