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Old 07-03-2009, 06:11 PM   #2 (permalink)
t0p_sh0tta
Planted Tank Enthusiast
 
PTrader: (5/100%)
Join Date: Jan 2008
Location: Connecticut
Posts: 624
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Whatever is in the 2217 now will suffice. Why do you want to upgrade?

If you don't want to leave well enough alone, I've heard that the Eheim Ehfisubstrat Pro is good. It is costly though.

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