Myths & fallacies
If you ask six people the same question about diseases or treatments you will get six different answers. Sorting out the facts from the fallacies can be tricky!
Koi keeping skills
Don't run before you can walk. The problem with learning the hard way is that it is usually the fish that pays the price!
Water-testing kits, nets, first-aid. Are you ready for problems and emergencies?
Ponds & the nitrogen cycle
Without the nitrogen cycle, koi would slowly poison themselves - find out about this important topic.
At the heart of a pond is the filtration system. An introduction to koi pond filtration
Disease & diagnosis
When health problems strike, an early, accurate diagnosis is the most important first step.
Why do bacterial infections, such as ulcers and fin rot, affect fish and what are the best ways to treat them effectively?
Gill - structure, function & disease
The gill is the equivalent of the human lung - any chemical or physical damage will have a severe effect on fish health.
Parasites & fungus
Have the fish gotten parasites because they are ill - or are the ill because they have got parasites? What is the fish fungus hiding?
Koi suffer can suffer from a whole range of health problems and diseases including hypoxia, gas bubble disease, dropsy and general lumps and bumps. more...
Often the biggest threat to health are fish "medications" How do most of them work? Should you treat the pond or the fish?