Help what is this?

[MarkAshlee2021]

I have had this for last few days but it isn't on sand or rock just on my glass, my water is clear also, been usin nopox but reduced dose in last couple of days, I have also installed a a uv filter a few days ago. Please any help would be appreciated. Thanks in advance.

 

[saltyphish]

Film algae

 

[saltyphish]

Film algae

The clear stuff is bacteria

 

[MarkAshlee2021]

The clear stuff is bacteria

How do I get rid of it please? Will a 35 percent water change? After I cleared the glass? Thanks