About this item Fish Egg Incubator is made of non-toxic plastic material, super transparent thickened acrylic incubation tube, easy to observe the hatching process of fish eggs. Suction tube clamp soft, easy to install, not easy to scratch the incubator director. Powerful sucker make it close to the tank wall is not easy to fall off. Biochemical cotton can avoid the impurities in the fish tank into the incubation chamber, mesh uniform and dense to ensure smooth flow of water and improve hatchability. Hatching fish eggs, you need to use the same fish tank water, so that fish eggs adapt to the environment, effectively prevent the baby fish from the adult fish’s attack, improve the survival rate of the baby fish. The purpose of an egg tumbler is to allow fresh water to circulate over cichlid eggs that have been separated from the parents,a fresh supply of clean water allows the eggs to develop in an oxygen rich environment.