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Re: Daphnia

To: Live-Foods at actwin_com
Subject: Re: Daphnia
From: Stephen Pushak <teban at powersonic_bc.ca>
Date: Sat, 21 Feb 1998 15:25:17 -0800
References: <199802212058.PAA11339 at acme_actwin.com>

> From: David J Snell <dsnell at erols_com>
> Also check your pH, I understand that daphnia do better above 7.0.  I
> also agree
> with Bob about the hardness. I have read that some people put some
> crushed coral
> in their tanks.

I believe that daphnia shells are silicate rather than calcium carbonate
or sulphate however calcium is a nutrient required by all organisms. I
also suspect daphnia can tolerate a range of pH. Nevertheless, lime is
recommended with manure cultures to keep the pH at a tolerable level.

Steve

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