It is the simplest and least expensive water softener on the market today. These easy to install and maintain water softeners take the mystery out of soft water. Our high efficiency water softener uses less salt, providing you a lower cost! You'll enjoy... ? Cleaner, clearer water Whiter, brighter, longer lasting clothes ? Reduced hard water build-up ? Cleaner dishes, less spots, stain-free appliances ? Whole House System-Space Saving Compact Design,-High Efficiency-less salt usage ? 20,000 grain capacity, Programmable timer with vacation setting ? Recharge Tonight/Recharge Now option for times of exceptionally heavy water usage ? Includes Installation Accessories, Easy, do-it-yourself installation instructions ? The salt storage tank and fiberglass mineral tank will not rust ? The scale (from hard water) build-up in a water heater causes the cost of heating water to be up to 20% more. It is not uncommon for 40 pounds of scale to be Inside a 10 year old gas water heater which heats hard water.