Fish Disease Diagnosis
Fish Disease Treatments
Ponds, Aquaria & Filtration



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Frequently Asked Questions Answered

You will still do well to use the site's search function as the fastest access to information you need most. But, these answers ARE organized into sections by type of question. Enjoy!

Questions about conditions of the fish

Questions about conditions of the water

Questions about fish care and husbandry

Questions about the filter or water reuse systems

Questions about technology and diagnostics

Questions about use of medications

Questions that don't fit in other categories (Miscellany)



Fish disease problems? Need some help? The help pages take you through the basics of the 'fish health work-up' diagnosis method and basic fish disease treatment methods.

90% of all health problems and fish deaths are caused by poor fish keeping! The key pages are essential reading for all beginners and intermediates who are serious about disease prevention.

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Sample download

Expanded Content by Dr. Erik Johnson, DrJohnson.com and Used with Permission; Frank Prince-Iles ©2009 All Rights Reserved