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Re: Daphnia

> Date: Sat, 21 Feb 1998 01:44:34 EST
> From: IDMiamiBob at aol_com
> Subject: Re: Daphnia
> Jeremy writes:
> << What is happening with my Daphnia? I recieved a starter culture in the mail
> > the other day (about 3 weeks ago). It consisted of around 100 daphnia magna
> > ranging in size from baby to adult. I placed them in a 7.5 gallon container
> > that was 3/4 filled with fresh collected rain water. Then added about 4 cups
> > of very nice green water that was also started from rain water. ><Snip>
> I'll take a stab at it, but it is purely conjecture.  The rainwater may be too
> soft and too free of the minerals the daphnia need to build their shells.  Try
> diluting with a little tap water and see if the daphnia make a come-back.
> Bob Dixon

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.

David Snell