coralsnaked
New member
Here is just a short list of critters that can be found in your bucket of NSW that I would not want in my tank: a million microscopic diatoms, billions of dying zooplankton, any other type of unrooted plant, Dnoflagellates, larval crabs, one of over 100 million viruses present in a teaspoonful of sea water, unwanted bacteria like human pathogens, and the list goes on and on...