Page 78 - Koi Net - On-Line Koi Magazine - Issue 36

However apparent resistance can sometimes be
blamed when in fact it is simply that the treatment
has not been administered correctly for the particular
situation in the pond. This includes factors such as:
■ Inaccuracies in calculating the pond volume and
hence required dosage
■ Certain types of filtration substrates containing
SINGLE carbon or other adsorbant materials which
FLUKES HAVE remove the active medicinal ingredients from the
pond water
EVEN BEEN
■ Some water conditioners and dechlorinators
KNOWN TO
■ Some products which are described as ‘detox’
HIDE UNDER materials
FISH SCALES
Other resistant flukes ■ Protein skimmers which can remove the treatment
have included these from the water
distinct species. AS A REFUGE
FROM ■ Systems where there is constant water flow in and
out of the pond
TREATMENTS ■ Accumulation of organic detritus providing a

hiding place for flukes
In addition, single flukes have even been known to
hide under fish scales as a refuge from treatments.
So, when treating parasites always follow the
instructions on the label but bear in mind these
possible issues – these apply to any treatments!

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