linda mar wrote:

what does it mean when I get lots of beard algae on some of
the leaves (the green fluffy stuff, and some that looks like spider web
strand) while my anubias and sword plants look yellow?

it seems like if I increase the iron to feed the swords/anubias, I'll get
more of the green fluffy stuff?

Your tank is defficient on nutrients. As you increase the nutrients necessary
for higher plants to succeed, they will outcompete the algae. Focus on getting
your plants healthy first.