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Discussion Starter · #1 ·
I have a Rena XP2 canister filter. Its about 2 or 3 years old. Every 10 or 15 minutes, it ejects quite a large amount of bubbles from the output nozzle. It must be pulling air in from somewhere, but I can't find where. Is the any maintenance that has to be done to prevent this? (lube o-rings, etc). Any thoughts?

Eric
 

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Discussion Starter · #4 ·
Hate to admit it but I didn't have the priming cap tight. It was only a gnat's *** loose but that was enough.

Eric
 
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