That is so true koiGuy we have to agree.... but well we know you can never know all, therefore you have to keep on learning.
There are always new ways of doing things, changes in koi appreciation to keep up with, new medications to try even new concepts of filtration to take in .
But if you can impart knowledge learned along the way, then that's all the better and vica versa I think you'll agree.
Lets face it even our experts both koi and Goldfish professionals are still learning but its a sad fact both here and in the US there are not that many Fish Doctors i;e Fish Veteranarian's we can turn too
Dave