i want some bubbles

you need to get an air pump, air tubing, and an airstone or they sell some ordaments that it will come out of
 
thank u for your help i was also wondering if i should keep it on the opposite side of the tank then the fliter and what size air pump would i need
 
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It's all personal preference where you put the air stone. The air pumps are sold according to tank size, just get the size that corresponds to your tank.
 
Just make sure that the bubbles aren't near the intake for the filter.

Did so once and the filter wasn't sucking-cavitation in the impeller/pump.
 
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