I have a frogspawn coral had it for about a year it originally had 4 head on 4 branches two of the heads fell off which left 2 those split about 3 times now there is 6 heads on 2 branches the other branches are bare and I haven't seen any more growth in branches the coral is covered in that red algae is there something I can do to make it branch more like cut off the dead branches thanks for any help