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Re: Live Foods Digest V2 #521
In my experience, aeration with LARGE bubbles prevents temperature
stratification and helps to keep food (algae, yeast) in suspension.
I don't know, whether the folklore that fine bubbles get under Daphnia's
carapace resulting in floaters is true. I have had floaters in an
UNaerated container. In a 10 gal tank, large bubbles, straight out of an
airline every 1-2/sec., do an effective stirring job.
Daphnia are filter-feeders -- they injest only suspended particles.
Although I have never tried it, I imagine any kind of filter (foam, UGF,
etc.) would remove (filter) suspended particles from solution, thus
depriving Daphnia of food.
> I am setting up three daphnia tanks and am wondering about air. My
> intentions are to put a little circulation in. Is there any advantage or
> disadvantage to using a foam filter? What about an undergravel filter?
> I am doing a little experimenting and am going to set up one each of a bare
> tank, gravel tank and gravel tank with UGF. Comments and experiences welcome.
> Chuck Church
> Indianapolis, Indiana USA