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Re: Water Changes and Walstad's Methods

Amy's letter brings up a good qustion -Why do water changes?

- if its nitrogen balance control, shouldn't my biological filter handle it?
- if it's adding trace minerals, shouldnt my plant supplements handle it?

Only thing I can figure is phosphate control, since the plants don't grow fast enough
to pull the PO3 down.

I do 25% -50%  water changes every week - just wondered "why?"

Date: Sat, 03 Jun 2000 04:05:33 -0400
From: Amy <amyh at atl_mediaone.net>
Subject: Walstad's methods

Hi all,

Just bought Diana Walstad's new book and must say I'm sorta shocked. In
it, she advocates nearly NO water changes and says she changes the water
in her tanks oh, about once every six months. While I'm used to
conflicting advice and methods in aquaria, the one thing that has seemed
to be a hard-and-fast rule is frequent water changes. Is anyone using
her methods?

- --
amyh at atl_mediaone.net