Good light transmission, easy to observe: the theme of hatching tube wall thickness, good light transmission, nozzle smooth mouth, easy to observe the process of hatching fish eggs. The standard pipe fittings: elbow reduction key manufacturers are regular, drinking water standard pipe;Angry outlet symmetry;Sucker suction big Tube clip is soft, easy to install: sucker tube clip is soft, easy to scratch the incubator tube. 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. It can be used on other non-adhesive fish eggs to help prevent fungus as well help prevent fungus. Color: White Material: Acrylic + Plastic Size: Approx. 30cm Hight; Diameter 50mm 100% and . 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. Where mould and fungus development is suppressed without the need for chemicals. Egg tumblers are used frequently by breeders . The gentle rolling action caused by these tumblers can simulate the normal incubation of these fish. Precautions: The total height of the product 30cm, so we must ensure that the water depth greater than 30cm Package Contents: 1 x Aquarium Cichlids Tumbler Fish Hatchery Incubator Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.