The "Detritus Dilemma"- again!

Ecologists define detritus as, "... partially decomposed organic matter from plant and animal tissues, in addition to microorganisms and minerals."

Note that nowhere in either definition do you see references to the stuff being "dangerous" or "detrimental" to fishes or aquariums. Now, look, having an excess of just about anything accumulating somewhere in the closed environment of an aquarium has an impact that you'll have to deal with somehow, or at the very least, have an understanding of.

I know that uneaten food and fish poop, accumulating in a closed system can be problematic if overall husbandry issues are not attended to. I know that it can decompose, overwhelm the biological filtration capacity of the tank if left unchecked. And that can lead to a smelly, dirty-looking system with diminished water quality. I know that. You know that. In fact, pretty much everyone in the hobby knows that.

Yet, as a hobby, we've really sort of heaped detritus into this "catch-all" descriptor which has an overall "bad" connotation to it. Like, anything which is allowed to break down in the tank and accumulate is bad. Anything that looks like "dirt" is...well, "dirty", dangerous, and should be treated accordingly.

Now, "dirty-looking" and "dangerous" are two very different things, right? Do natural habitats look "dangerous" to the life forms which reside in them?

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