BAT Posted January 25, 2022 Share Posted January 25, 2022 I bought the AC nano air pump a few months ago. It has been great. Quiet as a church mouse. However, in the past week or so i have noticed it makes a clicking noise when its running. I have another one I just bought that is quiet like this one used to be. has this ever happened to anyone? I checked the air tube connections and they are sound. i will try to upload a video with sound. https://www.aquariumcoop.com/collections/air-accessories/products/usb-nano-air-pump Link to comment Share on other sites More sharing options...
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