mulm

What kinds of microfauna/crustacean detritivores could I introduce if I wanted to create an ecologically active benthic layer with fish already established? I'm talking things like scuds, detritus worms, ostracods that will provide the fish with live hunting while also sustaining a population...

Hi, I've had trouble with floating debris in the water since day 1 many years ago. I even got a new filter, an Eheim Classic 2260, which is more than enough for my 540l/120gallon. I've tried fixing the flow in the aquarium, putting in wavemakers and putting in a ton of filter watt. Someone...