B BlackShark11k Jack Dempsey MFK Member Jul 8, 2009 3,565 8 36 somewhere Nov 24, 2010 #1 Anyone here run a DI unit on their tank for nitrate removal? Would there be any harm in doing so? Placing one in a sump or something?
Anyone here run a DI unit on their tank for nitrate removal? Would there be any harm in doing so? Placing one in a sump or something?
