Lemonade Kool-Aid as Dishwasher Cleaner Clean lime deposits and iron stains inside the dishwasher by pouring a packet of lemonade Kool-Aid (the only flavor that works) into the detergent cup and running the (empty) dishwasher. The citric acid in the mix wipes out stains; you don't have to.
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I'm going to use this to clean the lime from my tea pot! It kind of makes one concerned about the thought of actually drinking something like Kool-Aid lemonade, but the citric acid in one drink packet is enough to clean the lime stains and calcium deposits that build up over time in the dishwasher. Give it a try—you'll be surprised how well it breaks through the walls of grime (sorry, couldn't help ourselves). (Original post)
Forget fancy cleansers: Real Simple magazine says you can avoid dishwasher lime deposits and iron stains with a package of Kool-Aid: Pour a packet of lemonade Kool-Aid (the only flavor that works) into the detergent cup and run the dishwasher while empty... The citric acid in the mix wipes out stains, so you don't have to. Remember, lemonade only - the red stuff could be a disaster.