First, it is not like I have a lot of encrusting soft corals, but I do have a small area of green clove coral.
But recently, losing a fight with purple bubble algae.
(Hey, you could try that as a solution. I have plenty, if you want some) >)
But the theory is really to make sure encrusting corals have their own little rock to grow on.
Either standalone, in the sand, or really sticking out like a knob, such that they would have to spread
through a dark zone to get any farther. Plan ahead.
That said, spreading through the water column is rather scary. I had not heard about that.
And I was thinking of getting some blue ones. Hmmm.
Ehh, might anyway. The bubble algae will take care of the stragglers.