Tru-Soft® Solar Brine Blocks for Water Softening are produced from solar salt, which is made using the natural clean energy of the sun and wind on a salt lake in Carlsbad, New Mexico. Our water softening blocks are a good solution for your water softener systems, as they are easy to carry, load, and store. Less scale buildup on tubs, showers and fixtures from hard water can help increase the lifespan of pipes, fittings, heaters, boilers and other appliances. Since scale buildup can impair the efficiency of your appliances, our water softening products could even help lower your energy bills! The Water Quality Research Foundation found that softened water can effectively clean your clothes with 50% less detergent on the cold water setting.