i do rinse my dishes before putting them in the dishwasher, but even doing that, my dishes are still cleaner. i used to use a rinse product along with the detergent but with these i don't need to. the only problem i have had is that sometimes when i get to the bottom of the bag they will stick together and be a mess in the bag. other than that i have no problems at all. i don't have spots on my dishes and they feel and are very clean. i would never go back to the powder or the liquid again after using these. i would recommend these to 