So I have a lot of detritus, fish waste/ algae building up in my tank. My hermits, snails, and conches just arent doing the job. so i ask what is your guys favorite/ hardest working detritivores? my tank 55g DT about 75g overall system. And I have at least 15 hermits, maybe 20 snails (assorted variety) and 4 or 5 fighting conchs.