Re: Concentration of bleach

>From: Jim Kostich <jkost at ix_netcom.com>
>Date: Sat, 18 Nov 1995 19:36:04 -0800
>Subject: Re: Bleaching Anubias
>As one who has manufactured a pretty huge crop of "albino" Anubias in the
>years since you first told me about bleaching them, I could use a little
>clarification on the directions.  By 5% chlorox, do you mean 1 part
>commercial chlorox (which is about 5% hypochlorite, if I recall correctly)
>to 19 parts water?
>I remembered the technique, but have been experimenting with the dosage,
>with little success.
Hi Jim!!  Are you still in Milwaukee?
>Anubias are about as tough as they come.  If you are bleaching them and
>actually causing damage, then you must be giving them more than 5% bleach or
>more than four minutes exposure.  It is, as you say, one part of the Clorox
>solution plus 19 parts of water.  Another way of saying it is 5 percent of the
>liquid bleach solution plus 95% water.  That would be like 50 cc of Clorox
>diluted up to a liter.  That would work out to 0.25% sodium hypochlorite.
>Delicate plants get 2 minutes, robust plants, up to 4 minutes.  It is
>important, of course to rinse them thoroughly and then plant them in a tank
>free of hair algae.  Otherwise, it just climbs on the plants again.

Paul Krombholz                  Tougaloo College, Tougaloo, MS  39174