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PF filter FAQs


Answers to the questions most commonly asked about our PF filters.
Why do the bubbles keep starting and stopping in my Power Filter?

The bubbles are created by the venturi, an additional feature of the filter. 

The lower the unit sits in the water, the harder it is for it to pull air into the unit, which will reduce the presence of the bubbles.  It is also important that the venturi isn't blocked.  The circulation of water through the filter will naturally introduce oxygen into the water. 

If you wish to increase the oxygen level, you can also direct the flow deflector towards the surface of the water.

My Venturi has stopped working, what do I do?
I'm having difficulty attaching the suckers of my Power Filter to my aquarium.
Can I buy replacement black rubber grommets for my PF filter impellor?
Why has my filter become noisy?