adding a venturi onto the pump decreases the efficiency of the pump by a
greater factor than running a separate air pump. Ingrid


"Kurt" wrote in message
...
In article ,
"drsolo" wrote:

they arent nearly as energy efficient as an air pump for air stones. I
like
having the pump and aeration in separate devices so that if one quits
the
other is still working. Ingrid

Same energy as a pump, except you get both in one.
I have a backup aerator in case of failure (I used it for my "fish
motel"), but my fish would last the time it took me to replace the pump.

--
To reply by email, remove the word "space"