Two Ways to Use: Suitable for inside or outside the fish tank.
Easy to use: Put in water/salt/shrimp eggs,then connect with air pump(not included in the order), the eggs can be hatched in 36 - 48 hours,If used together with a fish tank temperature controller (not included in the order),the hatching success rate is higher.
Function: Facilitate hatching shrimp eggs, and feed the larvae of ornamental fish.