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Re: Simazine

Subject: Re:  Simazine
>From: "eng chuah" <ur008598 at mail01_bne.aone.net.au>
>To: Aquatic-Plants at actwin_com
>Date: Fri, 27 Feb 1998 07:37:38 +0000
>I have been using a commercial preparation of Simazine for several years
>variable results. 
>Somehow, there is a trigger which multiplies the reaction many times
>over. I strongly suggest that anyone using this product has aeration on
>hand {just in case!} The DO bottomed out with total loss of Shrimps and
>Snails before I could arrest the reaction.

Eng's observations about plant fatality and inhibition reinforce my earlier
recommendation that this is a product to be used with GREAT CAUTION. The
original developer [Ciba-Geigy] had published many warnings and specific
instructions.... unfortunately, these are missing from the product labeling
used by aquarium companies. 

For additional details and other Simazine horror stories, see my articles
which are archived at:

Hope this helps.