Yeah, I have a twin 150watt Metal halide unit with twin tube. I use the tubes for about 6hrs aday and the halides are on for 1hr aday to give me the shimmer. This was bought pre LED days.
Stock
5 Freshwater barracuda A.Falicriotis(?).
7 Maculatus dollar.
4 Emerald brochis(?)
3 Pim type cat
And 3 hujeta gars that are in holding tank due to them attacking the cudas.