|Welcome to the Expanded Area of DrJohnson.com Fish health is a
complex and sometimes baffling subject. The key to relatively
trouble free fish keeping is prevention rather than cure. This
means providing optimum conditions that encourage good health.
It is equally important to nip minor problems in the bud before
they get out of hand. Aimed mainly at beginners and
intermediates, these key pages provide a 'core' understanding of
the basics of fish health. The importance of water quality An
overview of water quality - including the 5-point standard. Do
you measure up? Water testing for healthy fish The importance of
water testing. Look after the water and the fish will look after
themselves (most of the time). Fish are open systems Fish are
like leaky parcels of water swimming around in a pond or tank.
No wonder water quality has such a dramatic affect on their
well-being. Fish disease overview Fish disease is really no
different to disease in any other animal. An overview of aquatic
disease, diagnostic method