On Tue, 18 Aug 2009 20:41:24 EDT, Jim Hurley
wrote:

I tried the search. Here is one doc: http://wernersponds.com/water_changesxxx.htm

Jim

Don't have time for a close read, but this doesn't look like an "against
frequent partial water changes" site:

Overview

Water changes are imperative for the health and well-being of your fish.
I have found, through many years of trial and error, that weekly water
changes of 10% provide the least amount of stress and most amount of
benefits for your pond fish. Koi on the other hand, will benefit more with
more water changes and thrive with a flow through water system.

Perhaps you could C&P whatever it was you read there? ~ jan
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Zone 7a, SE Washington State
Ponds: www.jjspond.us