Micro air bubbles coming from return line. I have Iwaki pump external, no leaks. Water level in sump is good. Is it possible my pump needs cleaning? Or dying pump?
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Registered User
Micro air bubbles coming from return line. I have Iwaki pump external, no leaks. Water level in sump is good. Is it possible my pump needs cleaning? Or dying pump?
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Registered User
Normally those bubble in your tank comes form your skimmer and got suck in by your return pump. You might need a bubble trap or move your skimmer away from return pump.
Registered User
I cleaned it. Ran fine for few hours. Now, micro air bubbles again. So, i replaced it with my spare pump and now its running fine again. So, is it possible the pump is about to break down? Or i just need to change impeller. Anybody with this kind of problem?
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Last edited by bigkahuna; 11-04-2013 at 01:11 PM.
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