Originally Posted by Caliban07
Give it a whirl. What harm could it do? Let us know if you notice any difference.
Got the carbon in the internal filter. It's not quite designed for it as the carbon comes in little rods and I really need coarse stuff to make sure it doesn't fall out of the box holder. Got a fair bit in though and more than the bio-media I had before. Early days but tank could be clearer than before. Will see after feeding tonight