This fish incubator allows fresh water to circulate over cichlid eggs that have been separated from the parents. It allows egg incubation in same tank as fish are breeding in to provide identical water conditions during incubation period. Anyone interests in breeding fish should have this incubator. The tumblers keep the eggs alive and essentially do would do mouth until were to be spit out. Feature - Color: White - Material: Acrylic - Size: 30 x 5 x 5cm - The tumblers keep the eggs alive and essentially do would do mouth until were to be spit out. - A fresh supply of clean water allows the eggs to develop in an environment - Where mould and development is suppressed without the need for chemicals - The gentle rolling action caused by these tumblers can simulate the normal incubation of these fish. - Can be used on other non-adhesive fish eggs as well to help prevent Package list: 1