Quote:
Originally Posted by ZID ZULANDER
If you have not already done so remover the red cone shaped flow indicator. That will help with the flow a little. Also set it up like the 501 unit. Foam over the intake inside the unit and bio and carbon on the other side. I have had mine running awhile now with only a little loss of flow.
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Seems like placing the sponge on the intake side would increase the frequency of required cleanings. Less surface area on the inside of the sponge would get gunked up faster. This, of course, assumes the sponge is a cylinder with a hole through the middle...the way it is on a 501.