Be careful what you ask for. I got my pink and white algae going a few years back. Combination of proper lighting, calcium availability and Kh
It is very hard to clean off the glass or acrylic. This is a hard algae that can scratch the tank easily with the force required to remove it.
It does show that the water quality is pretty good, as it has to have calcium to grow. And I don't think a reef that cannot grow it is as healthy as it needs to be to grow coral. Especially hard corals. But it can be a real pain.