Ed Pon wrote: > By the way--Many years back, I remember reading in an Aquarium digest > about someone growing a potato plant with the roots hanging into the > tank water to keep up water quality. Potatoes are supposed to be a good > source of minerals, I wonder if a potato plant has any water softening > qualities by taking minerals from the water. You can't win. When you're half Norwegian, half Irish, everything eventually comes back around to fish and potatoes. Let the experiment begin. - -Gary Elson