Dec 7, 2011 #1 Chrisz Active Member View Badges Joined Dec 20, 2009 Messages 373 Reaction score 104 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 Ultimate Member Reef Squad Excellence Award R2R App User Moderator Emeritus Hospitality Award ThreadAward My Tank Thread My Aquarium Showcase Joined Jan 15, 2010 Messages 22,343 Reaction score 23,806 Location Vegas baby!!!! Rating - 0% 0 0 0 Purple iirc... I have the same unit mine is currently new and orange...