Frag/prop tank?

[fishytime]

This might seem like a newb question but I was thinking about setting up a frag tank. Mostly softies and xenia and frogspawn.Plumbing it to my DT isn't an option. What do I need as far as equipment and such goes? I don't have a huge budget for this but I do have a 15 gallon tank and a spare PH, and AC HOB filter I could use. What would you'al think would be the min lighting requirements would be? Would I need LR for this? Lot of questions I know but any help would be greatly appreciated.