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Re: Diatom Filters and Algae Blooms




Subject: diatom filters & green water

Dan,
 
> Will a diatom filter clear up suspended algae? (i.e. will a Vort
> filter (or equivalent) filter out an algae bloom ("green water")
> 
> How big are those critters (the algae, that is)? Diatom filters 
> supposed to catch things down to 1 micron.

My experience has been that a diatom filter will clear the water 
during an algae bloom, but that it doesn't "cure" the problem.  
The bloom tends to come back in a couple of days.  I suspect that 
you don't get every single algae cell by diatoming, and it only 
takes one!<g>


Karen Randall
Aquatic Gardeners Assoc.
Boston, MA