I did wash the bowl before using but they said that using dish soap and sponge isn t enough to get the metal polish off.
Kitchenaid bowl grey residue. Now it s important to note that this residue is not harmful but it can discolor your food. This is what the utensil will look like after. Occasionally this process can leave a gray residue on your bowl. This residue is not harmful and it can be removed easily.
Note that it is. This grayish residue is not harmful but it may discolor food items mixed in the bowl. To resolve this kitchenaid recommends putting a small amount of olive oil in the bowl and spreading it around inside the bowl. My brand new kitchenaid artisan 5 quart model ksm150ps purchased in the past week in march 2016 had the same problem of grey residue around the bowl.
It ruined my very first recipe a batch of lovingly prepared yeast waffle dough when i started mixing. Run the item under cool water and run your fingers over it if you get any gray black streaks at all put it back in the water and boil for another 5 10 minutes. Remove the hot utensils from the water wipe off any remaining residue with a soft clean cloth or paper towels. They recommend using lemon and salt or a baking soda paste.
The shiny silver colored burnished aluminum beaters are not dishwasher safe. It is a common occurrence when polishing stainless products. Let this sit for several minutes then wipe the oil out. If washed in the dishwasher or allowed to soak in the sink the burnished aluminum finish may start to oxidize and form a grayish residue.