Salt for recharging water softeners. Morton white crystal rock salt water softener salt is 98% pure salt. Selectively sized for a maximum water softening performance. The morton family of high quality water conditioning salts choose the one that is right for you: high purity: morton white crystal rock salt, morton rust remover super pellens salt, morton system saver II. Won't mush, bridge, or channel: morton white crystal rock salt, morton rust remover super pellens salt, morton system saver II. Eliminates brine tank clean outs: morton rust remover super pellens salt, morton system saver II. Fights iron rust, odors and water taste problems: morton rust remover super pellens salt, morton system saver II. Specially formulated to fight high-iron water problems: morton rust remove super pellens salt. Contains patented cleaning Ingredients to wash away nearly twice the dirt and impurities that can lead to softener breakdown: morton system saver II pellets. Produces up to 5% more soft water with every recharge: morton system saver II pellets. Delivers cleaner, clearer water than ordinary salt: morton system saver II pellets. Rock salt for soft water.