air bubble problems

gotfish

Member
Any ideas would be greatly appreciated.
I have a problem with my rio 2500 air pump. it is attached to my wet/dry.
recently tons of bubbles are coming out of the filter. the only way i have been able to stop them is to adjust the pressure of the water coming out i have turned it down so much that water is barely coming out of the filter
how can i stop these bubbles? what is wrong?
thanks
 
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