I have had my tank now for 2 months and 11 days. I have 1 percula clownfish, 1 fire fish, a green candy coral, a kenya tree, green star polyps, and a striped mushroom. for clean crew i have 5 asterus snail, 1 conch, 1 turtle snail, 3 scarlets, 3 blue hermits. What should i add next it looks...