How come the little oxygenator I bought for my tank doesn't bubble when I put it on? How does it work? Is it just bad when you buy it?

Aquarium oxygenation equipment is mainly air pump. If it does not bubble, you can do the following troubleshooting:

1, according to the product manual requirements for installation and connection.

2, make sure that the power supply has been connected, turn on the switch, listen to the machine there is no sound. If not, the machine is broken, please find professional maintenance. If so, perform the next step.

3, will be out of the sand head, etc. Pull down, see whether the air pipe out of gas. If it comes out, the sand head is clogged, please change the new one. If not, perform the next step.

4, pull the air guide tube from the machine, see if the machine's air nozzle out. If out, is the air guide tube blocked or leakage, please check whether it is folded or replace with a new one. If not, perform the next step.

5, the leather bowl loose or rupture, must find a professional repair.