Dec 7, 2011 #1 Chrisz Active Member View Badges Joined Dec 20, 2009 Messages 354 Reaction score 99 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 18,349 Reaction score 14,294 Location Vegas baby!!!! Rating - 0% 0 0 0 Purple iirc... I have the same unit mine is currently new and orange...