I'm looking for advice on the cause of a lot of white residue that remains in my brand new top rated Kenmore dishwasher after a cycle. We are now on our 3rd dishwasher in 9 years, all having had the same problem. We thought the problem with our old dishwashers was because they were cheapies and just worn out, but the new one has had the same problem from day 1. After a cycle, the dishes are COVERED with white residue, so much so you can wipe it off with your fingers and draw pictures in the residue on the glasses!! All my dishes have to be handwashed after a cycle, and I'm going batty over this.
The manual states this residue is because there is too much soap being used. I've scaled back from the Cascade (tried many other brands too) amount recommendations to the tiniest bit of detergent and I still get this residue. I've also experimented with all the cycles and nothing has changed. I always run the tap in the sink until the water is piping hot before turning on the dishwasher. This dishwasher has a built in food grinder, but I also see tiny bits of food (I rinse my dishes before loading) stuck on my glasses in the top rack. Jetdry doesn't help either. Neither does air or heat dry.
DH thinks this residue is because we have hard water and need to install a water softener. I've tried adding a powder water softener to the wash, but it's also made no difference. In fact, it seemed like there was more residue than ever. I don't believe this is a hard water issue, even though we do have hardwater. Our neighbors have absolutely no problems whatsoever with their dishwashers, and I don't have problems with the washing machine, toilets, sinks or showers. My guess would be that there was something wrong with the initial set up installation, and the problem was not remedied when DH hooked up the past 2 dishwashers himself. Personally, I think this is a rinsing issue, but I have no idea where to begin to trouble shoot this. DH is convinced it's hard water and refuses to hire a plumber, would rather spend $1200 on a softener. I don't want to part with more $$$ and still have the same problem.
I'm soooo aggrivated with having to rewash my dishes every cycle. Sorry for the long babbling post. Can someone please lend some advice?
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