In many RV water softeners, the regeneration process is dAn RV softener are often an important tool to possess . It can't only improve the smell and taste of your water but can keep mineral buildup in your pipes and appliances at a minimum. You won’t fight rust stains within the sink or bowl , and there'll be fewer deposits on showerheads and taps , as well.one by adding Best RV Water Softener salt to the unit manually, as some aren't equipped with a brine tank.When pertaining to water softeners, a grain is how the hardness of water is measured. This figure is typically utilized in conjunction with liquid measurements, as in “grain per gallon of water.”One grain equals 1/7000th of a pound of dissolved calcium and magnesium. When researching water softeners, one that's rated at 16,000 grain are going to be ready to remove 16,000 grains of hardness before it requires regeneration.