Check the listing for details. 2.5 LB Color Changing Mixed Bed Deionization DI Resin - ResinTech MBD-30 - 0 TDS. Condition: New. Listed at 29.99 USD. FOR SALE 2.5 LB OF COLOR INDICATING DI MIXED BED RESIN. ***Please NOTE: Color Changing Occurs when Resin becomes Exhausted. It is not immediate. If you are getting readings of 0 TDS, that means the resin is not exhausted and therefore no color change would be occurring. TO GUARANTEE YOUR SATISFACTION, ALL OF OUR RESIN IS THOROUGHLY TESTED UPON RECEIVING FROM THE DIRECT MANUFACTURER. THERE WILL BE ZERO CHANCE OF ANY DEFECT IN OUR RESIN. WE STAND BEHIND OUR PRODUCT! PLEASE PURCHASE RESPONSIBLY. WE EXPECT THAT YOU PURCHASE IN GOOD FAITH.USED DI RESIN WILL NOT BE RETURNED OR REFUNDED. RESINTECH is a color indicating mixed bed resin. The anion resin is a Type I strongly basic gel resin with an indicator dye that changes from blue to light brown as the resin exhausts. PHYSICAL PROPERTIES Functional Structure Cation (Hydrogen form) RSO3-H+ Anion (Hydroxyl Form) R4N+OH- (Strong Base) Physical Form Tough, Spherical Beads Ionic Form H/OH Screen Size Distribution 90 percent -16 +45 (U.S. St.) Volume Ratio (as shipped): Cation 1.00 parts Anion 1.00 parts Total Capacity Cation 1.9 meq/mL min. (Na+ form) Anion 1.25 meq/mL min. (Cl- form) Column Operating Capacity Initial Cycle Electrolyte Breakthrough 0.45 meq/mL (10 Kgrs/cu. ft.) min. Moisture Content (as shipped): 65 percent max. Maximum Operating Temperature Non-regenerable 80oC* (175oF) Regenerable 50oC (140oF) Operating Flow Rate 2 to 10 gpm/cu.ft. (typical) pH Range 0 - 14 GREAT FOR AQUARIUM USE.We sell high volume therefore Freshness is assured. Recommended to use with Reverse Osmosis DI Filtration System. Do not expose to direct sunlight, store in airtight container in cool dark area. Pack your DI tightly in your housings. Green or Blue Color whichever in stock will ship. GOOD FOR TWO DROP IN 2.5 X 9.75 STANDARD DROP IN CARTRIDGE.Will come in a clear bag. Track Page Views With Auctiva's FREE Counter