Posted: Wed Jun 24, 2015 9:38 pm Re: Moss balls
I had one for a while. My turtle didn't bother it, but I found that it was just a great attractor of gunk, including any loose bits of stool.
I ultimately pulled it.
It did not cause any harm. I did not notice any algae outbreaks anywhere. When it's not covered in gunk, it does look kind of cool.
Tobi a RES born in 2012
1 dog, 1 teenager, 3 aquariums filled with fish, snails, shrimp and a bit of algae