J joecoulson Gambusia MFK Member Oct 13, 2010 835 0 16 GA www.joecoulsonphotography.com Jan 3, 2011 #1 Anyone used this in a filter? Or other use?
A aclockworkorange Dovii MFK Member Jun 24, 2010 9,585 46 105 39 Rose City Jan 3, 2011 #2 It's for use in a diatom filter.
