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Re: Aquatic Plants Digest V4 #756

To: <Aquatic-Plants at actwin_com>
Subject: Re: Aquatic Plants Digest V4 #756
From: "Mortimer Snerd" <mortimersnerd at uswest_net>
Date: Mon, 1 Jan 2001 19:40:56 -0700
Delivered-To: fixup-Aquatic-Plants at actwin_com@fixme
References: <200101022048.PAA19311 at actwin_com>

Dave, and all,

Please define expensive.  My Hoke micro metering valve works extremely well,
gives me good resolution, and will shut completely off.  More expensive than
most at $40, purchased at a local industrial valve supply, but not what I
would call very expensive when compared to most of the items used in our
tanks.

Justin Collins

> Now maybe there is a valve that can be set to a Cv of .000001.   You
should
> expect that its maximum Cv would be about .0001.  But I haven't found
> it.  Hoke does make a "micro-metering" valve, but it is very expensive.

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