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Re: DP Daphnia Magna and Euglena (greenwater) help needed
Suggest forgetting the horse manure for use inside the house; instead,
put it in an outside container, along with natural pond water, in full
sun to create green water. A large tank works well. Bring the green
water inside to feed the daphnia. As their growth is highly temperature
dependent, warmer temps = more daphnia. A yeast solution is good for
supplemental food but should not be used exclusively as it does not
provide balanced nutrition. Also suggest adding some crushed oyster
shell to the daphnia culture as growing daphnia deplete dissolved
calcium to build their shells. As you harvest the daphnia, calcium is
taken out of the system, which must be replaced. Oyster shells dissolve
slowly, add more when needed.
As far as the euglena are concerned, just put in full light and feed
infusoria from a container with decomposing lettuce leaves. Again,
culture the infusoria outside and add sparingly, as needed. This reduces
the potential for odor problems inside the house (and preserves space in
your fishroom for the important things - FISH !!!).
>From owner-nfc at actwin_com Thu Sep 24 11:22:53 1998
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>Date: Thu, 24 Sep 1998 14:16:56 EDT
>To: nanfa at aquaria_net, nfc at actwin_com
>Cc: lfscultures at hotmail_com
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>Subject: DP Daphnia Magna and Euglena (greenwater) help needed
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>I just got a starter kit of Daphnia Magna and pure Euglena from LFS
Cultu=
>res.
>I set up two bare tanks inside (one for each culture) as they
instructed =
>using
>bottled spring water and their Daphnia food.=20
>
> DAPHNIA M. QUESTIONS:
>
>Do I need to put a heater in and if so, what temperature should it be
kep=
>t at?
>I keep house at 60 degrees at night and when not at home during the
day. =
>=20
>
>This late in the year, can I still culture the Daphnia M. outdoors? If
s=
>o,
>for how much longer? Will a culture survive the winter and thrive next
sp=
>ring?
>Outside temperatures for the Indianapolis area this time of year are
40's=
> at
>night and 60's to 70's in day. First killing frost is usually about
Octo=
>ber
>15. Would I need to aerate outdoor cultures of Daphnia? What type of
>containers and sizes are best for culturing outside? Should it be in
sun=
> or
>shade?
>
>They gave some instructions on using livestock manure in culture. (The
da=
>y
>after I received the cultures, I came across a pile of horse manure
while=
> on a
>collecting trip and brought home a bread bag full of it.) I think I'll
s=
>tart
>that solution outdoors ;-). Any tips on that? Certainly don't want
the =
>odor
>in the house.
>
> EUGLENA (greenwater) QUESTIONS=20
>
>Pretty much same as above: Do I need to keep it heated inside? Do I
nee=
>d to
>keep it aerated inside before adding Daphnia? I know if I culture some
>outside it will no longer remain pure, but is it too late to start
outsid=
>e and
>any tips on doing it outside appreciated.
>
> WATER QUESTION
>
>They suggested that pure spring water was best but I could use old,
>unmedicated aquarium water from a healthy tank for both Daphnia and
Eugle=
>na.
>Since Daphnia is sensitive to even small amounts of metal ions, is this
r=
>eally
>safe? I use tap water treated for chlorine, chloramine and copper.
Aren=
>'t
>the metal ions still there?
>
>
>TIA
>
>Chuck Church
>CEFChurch at aol_com =20
>Indianapolis, Indiana USA
>
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>.=A0.=B7=B4=AF`=B7.. ><((((=BA>
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