Re: [Killietalk] Daphnia

[Debunix <debunix at well_com>]

After reading Dave Koran's post on his daphnia cultures, I just want to 
remind everyone that there are two ways to get adequate oxygenation to 
any tank or culture.  The most common way is via surface agitation of 
the water via a pump, and the second way is to increase the surface to 
volume ratio of the culture by keeping the daphnia in shallow trays.  
This works beautifully for me.

Also, by feeding a powdered food mix, although I do risk overfeeding 
and polluting the cultures, if I am careful that is not a problem, and 
I avoid the necessity of a second set of containers for greenwater or 
paramecium generation.  And if I do mess up, it is only one tray and I 
have several going at a time.  My trays are compact, silent, and don't 
have to be plugged in.   For someone with little space and no 
inclination to setup extra tanks for live cultures, it may be worth 
considering this lower-tech approach.

Diane Brown in St. Louis

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