Fish Disease Diagnosis
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After I dose with potassium permanganate I decolorize it and reduce it's effect by adding hydrogen peroxide. If I do this, do I necessarily need any kind of water change?

At the conclusion of the ENTIRE potassium regimen, whether you did the four day or every day regimen, it's ideal to change out the water to remove gases and phosphates which might have accumulated. DURING the potassium regimen, if you use the peroxide recipe, the answer is no. With qualifiers.

NOPE - not usually. Watch the dose, and remember you usually cannot re-treat with potassium for seventy two hours after peroxiding. It will be neutralized. If the water is opaque (cannot see through it) under any circumstances it needs to be changed at least 50%

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.

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