***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!
PHYSICAL PROPERTIES
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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.