My 5-year old Bosch dishwasher leaves a somewhat fine grit on dishes? especially obvious on the inside of glasses. I use only Cascade detergent, use a rinse aid, don't overfill the machine, and always make sure that the filter at the bottom of the dishwasher is clean. I also make sure that the spinner is able to move freely. But, after all of that, I sometimes get very clean dishes; even more often, not. I see no rhyme or reason. I am presently looking at an entire load that has gone through two complete cycles, and am stuck with a bunch of filthy glasses.

Mary do you have a water softener? If so, only use 1 tablespoon of dry dishwashing detergent per wash. Don't use tablets or liquid soaps. Too much soap will wear down the items you wash, leave streaks and pock your dishes. That might be what the sandy grit is. Also, to get rid of the grit inside of your washer you can buy a special dishwasher cleaner at almost any hardware store. Always try to use a rinse-aid. Make sure your drain filters are clean. Hope this helps. Jewels

Do you have hard water? Many states have passed laws that outlawed phosphate as an ingredient in dishwasher detergent. If you have hard water, the detergents don't work very well anymore. The "fine grit" is probably hard water deposits (calcium and magnesium). Not harmful but it looks awful on your dishes. There are some new products that were designed to solve this exact problem. They are inexpensive and effective. Can't say the name or I'll get banned (again). Internet search will uncover it.

Hi,

The scum, film and white residue problems have started since the reduction of phosphates in dishwasher detergents.

Here is a tip that will help you to solve the problem of films, residue, and scum in your dishwasher.

Dishwasher Residue and Film on Dishes

heatman101
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before loading the dishes rinse it first outside then wash the complete cycle and instead of powder use the liquid one

First of all, if you're talking about actual glass as opposed to crystal, glass can etch easily. Why? Because like crystal, there are variations in its quality. Cheap glass will etch faster with the use of an electric dishwasher compared to higher quality glass.

Did you know that the main constituent in most automatic electric dishwasher detergents is sodium hydroxide (lye) and chlorine bleach (another caustic acid)

A Bosch dishwasher has very long wash cycles, further exposing your dishes to the possibility of etching damage. You should stop using the sani-rinse cycle if there is such an option and switch to a gel format detergent as opposed to a powder. Use a rinse agent such as Jet-Dry. This should solve your etching problem.

Very common problem is soap build up in these machines. Try putting it into a wash cycle with no dishes, and no soap. Let it wash for about 5 minutes, and then open the door. If you see alot of soap suds, then soap build up is the problem. Try doing a couple loads with no soap, and no dishes, and throw a cup of vinegar into the machine halfway through the wash. Repeat as necessary. This should solve your problem.

Quit using the new Cascade. The formula change is what is causing the problem. No research from Cascade before releasing the product

Hi julie


Chances are you are using to much detergent and the water is not hot enough. cut back on the detergent and run your hot water tap at the sink first and that should fix it.

brent

I never figured out what caused this problem. I cleaned it and took it all apart, could not find any debris lodged anywhere. However, I solved this problem! I now only use Cascade Complete dishwasher detergent. Has to be the "complete" version of Cascade. No more grit - nice clean dishes now and sparkling glasses.

Hi! I found a great product at www.dishwasherfilter.com that will take care of this problem for you and your wife. It mounts under the sink and works great!
Use promo code DF5150 when ordering for an additional discount!