Is detritus at the back chamber normal ??

[Shawaiz_106]

Hi,
quick question. Is detritus at the back of an aio normal or do I need to upgrade my return pump etc ?. Pic added

 

[CasperOe]

Perfectly normal Syphon it out when you do your water changes

 

[Shawaiz_106]

Perfectly normal Syphon it out when you do your water changes

Thank you!

 

[mfinn]

Yes, it's normal.
In my sump I have a spot that it collects and is pretty easy to siphon it out when I do water changes.