◎High density hole
◎Dense air bubble
◎Well dissolved oxygen

1.Highly dense air bubble makes fog effect and increases the dissolved oxygen.
2. Please dip into the aquarium before using to reach the better fog effect.
3. It needs to be used with additional air pipe and air pump.

A-50 is recommended for 50 - 130 cm aquarium.
A-100 is recommended for 90 - 200 cm aquarium.