i used to be anal about changing mine too man. Then once i got the beckett skimmer going and the flow that happens in my sump the skimmer picks up everything that flow in to the sump anyways. I think that after while they are great if you are trying to keep your sump clean. Then after awhile the sponges and featherdusters are growing in there so it won't really matter. and if you are feedng the tank with filter food the crap clogs up the sock so i took mine off. i use mine for cleaning the phosban when i add new stuff or the carbon in the sump.....
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180 starfire front, LPS, millipora
Doesn't matter how much you have been reading until you take the plunge.
You don't know as much as you think.
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