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Cobb / Webb - 1989
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My Tank Thread
Could be Bio-Pellets with UV and skimmer.So ur only running go and skimmer??
GFO is a dark color. My GFO reactor is the small one on the left and my Purigen reactor is the tall one on the right of my shot.
If there is white GFO then I've never seen it.

That's why I'm asking him what's in his "GEO brand" reactor.


