Water Crystals

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Sodium cross-linked polyacrylamide co-polymer. The original Water Crystal that has been evaluated to absorb and store water for a dozen years and longer. To purchase 3- and 6-ounce sample jars, please go to http://www.watercrystals.com/WC_Jars_Na.htm
Potassium cross-linked polyacrylamide co-polymer. A quality Water Crystal that absorbs and stores water for an average 3-5 years; 7 years, maximum. To purchase 3- and 6-ounce sample jars, please go to http://www.watercrystals.com/WC_Jars_K.htm