Sell Unit Count: 100 Sell Unit of Measure: CS Sell Unit Pack Descr: 100/.5-OZ Serves as a "booster" in the water softening process-especially important in adjusting local water conditions. Serves as a "booster" in the water softening process-especially important in adjusting local water conditions. Ties up hard water minerals to obtain maximum cleaning results. Single use packet for better dilution control. NSF G6 Registered for steam table treatment.