One (1) Cubic Foot, 50 lbs, single bag, Water Softener Ion-exchange Resin 8% Crosslinked

If your Softener is more than five years old or there is a lot of iron in your water then you might need to replace your filter media known as Ion-Exchange Resin. We are providing new resin supplied in the very stable sodium form. Polymer Structure Styrene Crosslinked with DVB Functional Group R-(SO3)-M+ Ionic Form, as shipped in the Sodium form Physical Form Tough, Spherical Beads Screen Size Distribution 16 to 50 +16 mesh (U.S. Std) < 5 % -50 mesh (U.S. Std) < 1 % pH Range 0 - 14 Sphericity > 93 percent Uniformity Coefficient Approx. 1.6 Water Retention Sodium Form 50 lbs/cu.ft. Solubility Sodium Form 42 to 49 percent Approximate Shipping Weight Insoluble Swelling Ca+2 or Na+ to H+ 50 lbs/cu.ft. Total Capacity 5 to 9 percent Sodium Form 1.9 meq/ml min Hydrogen Form 1.8 meq/ml min