I was very torn about purchasing this product as it was we were already using packs and had gone years without this product so why do I need it now? I am always one to question if I need something or will it just be more money out of my already tight grocery budget. With our old dishwasher I did not notice much of a difference but when we moved our new dishwasher is not as good as our old dishwasher and I now do see the need to use this product. It defently improves the performance of our dishwasher and you do notice when it needs to be refilled. The only downside is that it yet again product I need to buy.