Need help identifying this and a remedy...

[Chuck S]

This is a golden color and defiantly gets some bubble shapes. It comes, I clean it out manually and don't have too much problem then comes back.

 

[Dan_P]

This is a golden color and defiantly gets some bubble shapes. It comes, I clean it out manually and don't have too much problem then comes back.

Not quite in focus. Might be a sponge or Chrysophytes

 

[Chuck S]

Not quite in focus. Might be a sponge or Chrysophytes

Sorry for the picture quality, the best I could get...
From some online searching, idea of Chrysophytes, came up.