Can I feed it "blender mush" or do I need to get something more specific?
Beware of getting into the habit of trying to maintain corals by 'feeding' them. 99% of corals' "food" is light. With some LPS
, they may tend to be more meat-eating, but in general
, their primary food should still be light, and any 'meaty' food should only be what they catch when you feed the tank. Feeding corals directly can quickly degrade water quality.
That said, (I'm going to contradict myself now
) to the best of my knowledge, Cladocora are pretty hardy, and don't need a ton of light. If I remember right, not even all Cladocora are photosynthetic -- only ones found on the shallow reef slopes. I would try a very light wash of blender mush or brine maybe twice a week. Just beware of overfeeding.