What Is Red Sponge Coral Stone?
Red sponge coral is a type of that has an orange red color. It is not a sponge but its appearance is slimier to that of a sponge and is found in water. reservist. The high found that sponge coral species are decreasing and hence they undergo farming techniques due to which we are getting them in large number. for further information http://coral.org.in/what-is-red-sponge-coral-stone/