Looking at your photos I don't see a problem, the tank looks great.
To me algae growing on things like logs, or rocks is desired.
One of my old tanks, where I believe it (algae helped reduce nutrient load).

But on slow growing plants like Anubius there is a delicate balance between light duration, getting enough for the plants, and nutrient load.
Below, An old Anubius I had, where I could never quite get the balance right.

To me algae growing on things like logs, or rocks is desired.
One of my old tanks, where I believe it (algae helped reduce nutrient load).

But on slow growing plants like Anubius there is a delicate balance between light duration, getting enough for the plants, and nutrient load.
Below, An old Anubius I had, where I could never quite get the balance right.
