“A Too Clean Aquarium or Pond? Why Some Mulm is Good”

Cloudy Water in Ponds and Aquariums

Water Clarity / Water Clouding is conditioned on FIVE or SIX different kinds of organism. Bacteria, Viruses, Flagellates, freshwater Protists like Ambiphrya as well as plants influence water clarity.

This post answers the question: Why don’t I want to clean my pond to spotless white?

Is there such a thing as “A TOO CLEAN aquarium or pond?”

How does UV (ultraviolet clarifier) make water clarity a little bit harder?


A Guide to the Natural History of Freshwater Lake Bacteria – PMC


Top-down structuring of freshwater bacterial communities by mixotrophic flagellates ISME Communications

Author: Dr. Erik Johnson
Dr. Erik Johnson is the author of several texts on companion animal and fish health. Johnson Veterinary Services has been operating in Marietta, GA since 1996. Dr Johnson graduated from the University of Georgia College of Veterinary Medicine in 1991. Dr Johnson has lived in Marietta Georgia since 1976.