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Re: now daphnia



Oyster shells ( sold as chicken grit at the Co-Op) work fine for me. Plenty
of snails and plenty of daphnia. 300 gallons of water add one shovel full
once a year in the spring.

----- Original Message -----
From: "Mach Fukada" <fukada at aloha_net>
To: <killietalk at aka_org>
Sent: Sunday, July 21, 2002 2:17 PM
Subject: now daphnia


> I   think that is why my system for daphnia/moina works.  The regular
(every
> day or every other day) water changes replenish which ever it is that
> maintains the pH, CaCO3, total hardness, etc.  My tap water is dead soft,
> acid and has almost no TDS out of the tap. It is ditch water from the
> watershed, which is already filtered through mosses, ferns, and other
> tannin, cation exchange substrates. I wonder if I can push it more if I
add
> more oystershells to the green water production tubs?
> MTF
>
> snip
> > carbonate content. It is simplified in the water report and even more
> > simplified in my reference to the point of being confusing. The end
> result,
> > however, may be the reason my daphnia only just hangs on and my red
> Ramshorn
> > snails have all disappeared.
> >
> > Lee Harper
> > Media, PA
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