Yes, if you wish to reduce the sodium content of the softened water. The products can be mixed in any ratio you desire. We would recommend starting with a 50/50 ratio and see how that works for you. If mixing potassium chloride with salt, it is important to note that softened water will contain a higher ratio of sodium to potassium at the beginning of the service cycle and a higher ratio of potassium to sodium near the end of the service cycle.
