Re: NANFA-- Hydra
Tue, 16 Apr 2002 11:18:33 EDT

In a message dated 4/16/02 10:08:01 AM, writes:

Evidently hydra, planaria, and the like were more of a problem in Innes'
day when filtration was fairly primitive. >>

I think hydra are often introduced with wild caught daphnia, mosquito larva,
etc. They are fed and encouraged by newly hatched brine shrimp - BUT NOT
CAUSED BY IT. Very low levels of formalin-copper medications will kill them
without harming any fish.

Lee Harper
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