Check out the lighting section, they should have several. I have the ones where you push in the little pegs, they also have digital ones for like $9 each. I think they may be walmart brand, their "home living" or something like that
180g Reef - 60g Rimless Reef -90G FOWLR- 125g Malawi Cichlids- 40b REEF- 34g Fresh Planted-working on- 20L FOWLR- working on
I have a mix of many different saltwater fish amongst my tanks, but I love my Tangs most of all.