No real downfall per se, despite what many people might say. But the reality is that your stack of live rock replaced those bio balls back in 1993 or so. :-)
As I said they really won't hurt anything but it's a good chance that you will want the space they take up for something else because they are not really necessary.
Whether to use a sock or not is a whole other question - I do not, but some do. It's up to you. [emoji41]
As I said they really won't hurt anything but it's a good chance that you will want the space they take up for something else because they are not really necessary.
Whether to use a sock or not is a whole other question - I do not, but some do. It's up to you. [emoji41]
