Description, It is recommended to use color changing resin for the fact that it will physically change colors as it gets exhausted. That allows you
DI Resin - AquaFX – Top Shelf Aquatics
BRS Color Changing Resin Defective?, Page 2
Triple DI Saver with TRM-1 Triple TDS Meter - Bulk Reef Supply
Pre-Packed Bulk Deionization Resin (Color Changing) - Bulk Reef Supply
Color changes from blue to tan when exhausted Vacuum packed to preserve quality and freshness Ideal for refilling prepacked DI cartridges SR Aquaristik bulk nuclear grade Color Changing Mixed Bed DI Resin is ideal for replacing exhausted resin in pre-packed DI cartridges. Resin changes color as it becomes exhausted, letting you know quickly and efficiently when the resin needs to be changed. DI resin is necessary for reducing TDS to 0 normally used after reverse osmosis filtration.
SR Aquaristik Color Changing D/I Resin, 1L / 1.63lbs
DI Color Changing Mixed Bed Resin Cartridge
Bulk Reef Supply's Blue Mixed Bed Di Resin Color Changing - 200123 One cartridge refill Color changing Nuclear grade Resin changes from blue to light
Bulk Reef Supply Blue Mixed Bed Di Resin Color Changing - 200123
RODI) 10” Color Indicating Mixed Bed DI Resin Starter Kit –
DI RO COLOR CHANGING RESIN Deionization 5 LBS BAG - ResinTech MBD-30, A five pound bag of ResinTech MBD-30 nuclear grade mixed bed DI resin . This is
Nuclear Grade Mix Bed Ion Exchange Deionization Resin For RO DI Aquarium - 5 Lbs