This system works as advertised. It doesn't remove the limescale but ensures it doesn't stick to anything, which is why I bought it. I bought a new coffee maker because the last one was pretty dead from limescale build up inside and with this system I don't see any scale. I have a mirror in the shower to shave and it doesn't settle while I usually have to clean it with vinegar once a week but not now. With my water consumption I have not had to change filters for 3 years. Don't expect your dishes to be spotless after you take them out of the dishwasher. You may notice a white powder that rubs off easily if that's important to you, but I don't mind. My main concern was to extend the life of the equipment.
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