1Allowing fresh water to circulate over fish eggs that have been separated from their mother 2Providing clean water for nonadhesive fish eggs to help prevent mould and fungus from growing 3Making egg incubate in same tank as fish are breeding in to provide identical water conditions during incubation period 4The gentle rolling action caused by the egg tumbler can simulate the normal incubation of these fish 5Suitable to be used on nonadhesive fish eggs, like cichlid and other aquatic pets This fish incubator allows fresh water to circulate over cichlid eggs that have been separated from their mother. Fish incubator is used frequently by breeders, which allows egg to incubating in the same tank as fish are breeding in to provide identical water conditions during incubation period. 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. Features: 1. Allowing fresh water to circulate over fish eggs that have been separated from their mother. 2. Providing clean water for non-adhesive fish eggs to help prevent mould and fungus from growing. 3. Making egg incubate in same tank as fish are breeding in to provide identical water conditions during incubation period. 4. The gentle rolling action caused by the egg tumbler can simulate the normal incubation of these fish. 5. Suitable to be used on non-adhesive fish eggs, like cichlid and other aquatic pets. Specifications: Material: Acrylic Color: As Pictures Show Incubator Size: Base Diameter: 5cm / 2inch, Height: 15.6cm / 6.1inch Air Valve Tube: Diameter: 2.5cm / 1.0inch, Height: 16.4cm / 6.5inch Suction Cup Size: 5.6 * 6.3cm / 2.2 * 2.5inch Air Tube Length: 62cm/24.4in Weight: 241g Quantity: 1 x Set of 1Pc Incubator + 1Pc Adjustable Air Valve Tube + 1Pc Air Tube + 2Pcs Suction Cups Type: Fish & Aquatic Pets Hatchery Function: Fish & Aquatic Pets Egg Hatchery How To Use: 1. Extract a basin of water from the fish tank. 2. Extract the female fish from the fish tank carefully. 3. Holding the fish and keep its head forward. 4. Let the fish mouth open by clasping the mandibular teeth of fish from the forward and downward direction in the water. 5. Maintain the fish mouth open and let the fish move against the direction of the fish head stably. 6. Move repeatedly until all the eggs have flowed out from the fish mouth, and get the fish back immediately if the fish slips out of the hand to avoid its swallowing the eggs during this period. 7. Put the female fish back the fish tank and put the fish eggs in the fish incubator. Package Includes: 1 x Incubator 1 x Adjustable Air Valve Tube 1 x Air Tube 2 x Suction Cups Notes: 1. Please allow 1-3cm error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. 3. Please use water from fish breeding tank during incubating period, and don't change the water before and after 1 day of incubating period for security.