AQUATICLIFE DI Color Changing Mixed Bed Resin Cartridge for Aquariums, 31 Cubic Inch

For use with Aquatic Life RO Buddie Reverse Osmosis Units. Now filled with MBD-30, a high quality resin mixture for direct purification of water. The residuals produce average conductivity values of about 0.1us/ cm for a major portion of the service run which may be extended depending up on the final acceptable water quality - Clear cylinder housing with one white connection port on each end - Blue resin visible through the cylinder - Includes Clips for mounting to Aquatic Life RO Buddie and RO Junior.

• Cation and Anion resins (H+ and OH-) remove the remaining total dissolved solids (TDS) from membrane-filtered water
• Cartridge is refillable to allow for easy customization of water treatment
• The resin changes from Blue to Yellow, and finally White when media is exhausted.
• 1/4" tubing easily attaches to the press-fit connections on each end of the cartridge