75 Gallon Tank New Fluval 407 sneezing air

zwinch

New aquarium, new filter. I'm a total novice to cannister filters. Everything seems to be running fine. Both the intake and the output are fully submerged. No leaks that I can tell.

Every 5-10 minutes I hear what amounts to a sneeze and the water output throws a cloud of tiny micro-bubbles out. I've read about a few causes and fixes all of those articles are about 10 years old. Is there a remedy to this? More importantly, can this problem hurt my filter in any way?
 

StarGirl

They do a purge every so often until the bubbles and air comes out of the sponges. It may do it for a day or 2. Its normal.
 

zwinch

Sounds good. Thanks.
 

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