Do they use acetic acid (vinegar) as an anti-microbe agent.
I initially liked your idea
Or may be add alcohol to citric acid to kill off whatever is growing in there?
Don't know about acetic acid use as anti-microbe agent, but it does clean up rust OK-ish
You said you "initally liked" my alcohol idea. Do you see any problems weith it?
I just added 1L of 99% isopropyl alcohol to 5Gal bucket in question. I guess in a week or so i'll know if it cleared up and settled. May need to add coagulant of some sort to achieve settling.