koi are treated. It is not usual for koi keepers to
question why their koi have yet another parasitic
invasion or to link bacterial infection or ulcers to
possible metals damage.
    Does reducing metals really make that much
difference to the health and well being of our koi?
Yes it really does. And there is an ever growing
band of koi keepers who are able to testify that
reducing the level of metals in their pond has had
a very satisfactory effect in the improvement of
the  overall  health  of  their  koi.  Of  course  there
have been all different types of improvements in
koi  health,  dependent  upon  whether  smaller  or
larger amounts of metals required reduction. The
greater  metals  reduction  required,  the  greater
There is hope! Now safe and sound, a koi which survived metals contamination of the pond. Photograph courtesy of Michael Van Neste