10-26-2011, 10:27 AM
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I have a couple of the aquatech filter's 30/60, 20/40, and 5-15 and believe the flow would not be a problem with the fish or plant's mentioned,but to each their own.
Now if it were a Betta or Gourami, then sponge filter would be suitable IMHO although not very good at mechanical filtration.
I also have the sponge filter mentioned running on 20 gal tank, and for planted tank,unless you raise the stem or end where bubbles come out, to a posistion where water forms a slight current on surface as opposed to bubbles,,then you will be driving off considerable CO2 in a possibly already CO2 limited enviornment.
Have yet to see any of the aquatech filter's perform in such a way as to be harmful or stressful for fishes or plant's .
Last edited by 1077; 10-26-2011 at 10:35 AM..