KOI HEALTH About the author:


Sick pond equals sick koi


Paula Reynolds is an aquatic patho- biologist. Part of her working day is spent carrying out pathology for the koi industry and hobbyists. However, research is Paula’s main occupation and she admits to enjoying the painstakingly detailed work that ultimately reveals so much new information.


It’s so important to make sure your pond is a healthy environment for your koi, as Paula Reynolds explains with a look at one koi keeper’s bad experience…


enthusiastic koi keeper. The days before his celebratory garden


I


Rob, like many new koi keepers, was often concerned


about his koi for no reason…


22 KOI CARP


party were packed with preparations which were suddenly put on hold when Rob suspected all was not well in his koi pond. He had become a koi hobbyist whilst recovering from an accident that had sadly ended his career, so his koi had been his companions through some dark days.


a man on a mission The pond was the focal point of Rob’s garden


so he used his regular product to clear the pond of unsightly blanket weed. He wanted his guests to have full view of his koi at the party. Rob, like many new koi keepers, was often concerned about his koi for no reason


n July last year Rob Jones, a former police officer, had a milestone birthday. Fortunately for me I did not meet him in his professional capacity, but as a new and


but he was pleased they seemed on top form. During the next day he unearthed some


worms whilst raking his flower beds and, as usual, fed them to his koi. However, when they were not consumed by the fish with their usual relish he took time out from gardening to observe them. Later, when their favourite pellets failed to arouse more than a cursory glance, Rob was convinced his koi had white spot. From that moment on he was a man on a mission. He took a trip to his local aquatic outlet


where he bought a malachite green and formalin mix. Having introduced this he sat by the pond with a glass of beer or two for most of the evening, observing what he hoped was the recovery of his koi.


helping hands The next day Rob rang his friend Jeff who


came round to provide a second opinion over a beer. Jeff reminded Rob that his own koi


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