Great Aquarium Filter Slow Flow With These 5 Basic Cues - American Club. To lessen the current even more, aim the spray bar holes toward the back wall of the aquarium. Most filters these days come with some kind of sponge as media.
You're welcome, i would check to see if you have a spare that came with the filter. If you decide on this option, splice in a valve about an inch downstream from the air pump, and use it to bleed off excess pressure, thus adjusting the filter flow rate. Put one rubber band vertically over the.