Thread: Sump & filter socks - 4 or 7 "
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Old 08-09-2013, 04:02 PM
hfp75 hfp75 is offline
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Yes I think it's +\- 3:1 generally but the space for a 7" is more than a 4" so my question is if 2x,3x,4x of the 4" is enough for a 125g, not simpler....
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