Full Tank Shots 2013

[aqua80]

Originally Posted by ChizerBunoi

How do you get coraline algae to grow on the back wall like that? Do you just never clean the back wall and then it grows?

yes !
I did try a couple of times to remove the coraline but it is almost impossible to remove it from the round plastic corner overflow anyway so instead I've learned to like the look of it like this !