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Re: Hydra Dammit-What now?-a quick poll

>Date: Thu, 10 Jun 1999 01:07:27 -0400
>From: "Paul E. Turley" <turl at eriecoast_com>

>So the question becomes, do I continue my all out war against Hydra tear
>down the tank and bleach all fixtures, KMnO4 dip all the plants etc., or
>do I just learn to live with it.  After all the tank has a number of
>small critters crawling around on the glass (rotifers, copepods, acorn
>worms, etc.) that I did not introduce in the tank but arrived anyway.

Isn't there some method using a 9v battery to get rid of Hydra? I'm sure
I've read of controversy over whether it is the electricy or the copper that
kills them. Web search time...