Dec 7, 2011 #1 Chrisz Active Member View Badges Joined Dec 20, 2009 Messages 354 Reaction score 100 Location Duluth, MN Rating - 0% 0 0 0 What color does a Hi-S Mixed Bed Resin Cartridge turn when exhausted? I have an ro filter but have no clue what I should be looking for. Pictures anyone?
What color does a Hi-S Mixed Bed Resin Cartridge turn when exhausted? I have an ro filter but have no clue what I should be looking for. Pictures anyone?
Dec 7, 2011 #2 Troylee all about the diy!!!!! View Badges Excellence Award Moderator Emeritus Hospitality Award My Tank Thread My Aquarium Showcase Joined Jan 15, 2010 Messages 19,350 Reaction score 17,031 Location Vegas baby!!!! Rating - 0% 0 0 0 Purple iirc... I have the same unit mine is currently new and orange...
