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[APD] Re: About them algal spores


As a control, take some clean tap water and add a few drops from your
infested tank. When you find algae present in that container, you know
how long it takes for the spores to develop to a size you can recognize.
It presumes that the algae in question has a motile zoospore stage. This
might take a few weeks but can be assisted by adding some nutrients.

I'm not positive that some filament algae do not have a motile stage. I
know that Oedogonium and Spirogyra do have it. I don't know enough about
other algal subtypes. Thread algae might spread only by bits of
filaments breaking and drifting about by random and may lack the ability
to swim.


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