minnnt
Fish Expert
Unsure about the humming noise, all of mine have only ever been silent.
The Bio-balls don't have a sponge on top, so be careful as one or two may drop down the hole.
Have a play with the media, see which works best for you. Mine is just setup how it comes.
The Bio-balls don't have a sponge on top, so be careful as one or two may drop down the hole.
Have a play with the media, see which works best for you. Mine is just setup how it comes.