Weird pump noise?

[Brando457]

I just noticed that my pump is making a weird noise kind of like a fizzling sound you'd hear when a soda overflows.

It just started making that noise today, when I unplug it it stops and then continues anyone have any ideas?

 

[9supratt4]

air getting in the pump?? Is it from your return pump?? Is it coming from the physical pump or the plumbing connected to it?

 

[Brando457]

air getting in the pump?? Is it from your return pump?? Is it coming from the physical pump or the plumbing connected to it?

hey steve it is the biocube 14g pump so it's the return. Funny thing is I added a cup of ro and unplugged/plugged the pump back in and now the noise is gone. So hopefully it was just air in the pump or something minor. Seems to be fixed now though :shrug:

 

[9supratt4]

My guess would be air in the pump...thats strange though. How long has the pump been running?? Ever clean it??