Two Little Fishies ReVive Coral Cleaner� is a new product developed by Julian Sprung for cleansing live stony corals. It is a surface cleaning formula based on plant extracts. Use for all general purpose live coral cleansing, as a part of acclimation to aquariums when corals are first received, for rinsing prior to shipping, and for rinsing newly fragmented corals, such as at coral farming facilities.