HCA: Hermit Crab Association

Are you sure they are gnats? Most bugs in the tank are not harmful. https://www.hermitcrabassociation.com/phpBB/viewtopic.php?f=124&t=92537 I've been doing a lot of bug research, and know they arent fruit flies. They're either drain flies or gnats. Either way Id very much like them gone, as the pop...

Dear HCA, Ive been looking at all the suggestions for how to get rid of gnats in my tank. I've tried dried foods, fly tape, vinegar traps, cleaning out the entire tank and replacing all the dirt, everything I can think of. And yet, after all of this, just a day later and at least a dozen gnats smash...