Originally Posted by peernisse
When I guided commercially in Cataract, muddy water usually, we did not even use any alum or anything. Just need to get your water settling straight away. Good luck in your search for a solution to a problem that does not exist.
That is how we did it also, on many rivers, Yampa, Cat, Deso, North Platte, Green, Westwater, etc. Of course, something it left a pumpkin flavor.