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Re: Aquatic Plants Digest V5 #409

To: <Aquatic-Plants at actwin_com>
Subject: Re: Aquatic Plants Digest V5 #409
From: "Daniel Larsson" <defdac at hotmail_com>
Date: Fri, 25 Oct 2002 08:48:53 +0200
References: <200210250207.g9P27DXP019530 at mailhub_actwin.com>

Giancarlo Podio wrote:
>setting it up in a way that it is adjustable and only releases CO2 into
>the water when the lights are on

How do you do this?

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