Yellow Tip Orange Starfish Diadema setosum Recommended calcium level in reef

Recommended calcium level in reef aquarium is 380-460/l (ppm)

so if you overdose the ammonia

5 mg/l (ppm) in 100 l (27 US gal) of water

In its juvenile form

Aids in pest and parasite hunting

Yellow Tip Orange Starfish Diadema setosum Recommended calcium level in reefThe color of the Orange Sea Star, or Starfish, may range from orange to red. It is sometimes called the Red Sea Star. It can have a variety of surface textures depending upon the locale. Some Echinaster Sea Stars have 6 arms. It prefers a sandy, coral rubble substrate, or, especially live rock with algae. It moves over the surface, eating the small microbes and other bits of common detritus. A larger specimen could be harmful to clams, sponges, and