Does anyone else do this with their powerheads?

[Lavey29]

Pic?

I will try and get one. I see them when my fuge light comes on at night.

 

[Lavey29]

I let stuff grow all over mine but after about 3 weeks it would get completely clogged if I didn't scrape off the intake grill.
I cleaned this less than a week ago

Now we're cookin with gasoline. Good to know the 2 oldest guys on the site think alike.