Complete Appliance

Appliance Repair Specialist

Serving Cleveland & Surrounding Suburbs

InlineImagesMW2Hard Water Filming

WHAT IS IT?
A white film that appears on glasses and flatware. Removal of the film by one of the following methods indicates that it is hard water filming and not another type:
Soak the glass approximately 15 minutes in undiluted white vinegar. Rinse and dry. Or,
Wash the glass in a basin of water using a generous amount of dishwasher detergent (wear rubber gloves to protect your hands from the strong detergent solutions). Or,
Use Glass Magic according to package directions. (Available in most grocery stores.)

 


 

SlidersMW160Possible Causes

Hard Water and Not Enough Detergent This combination may leave hard water minerals that dry on the surface of the glassware creating a film. Unremoved food soil may also cause filming.
To prevent, increase the amount of detergent according to the degree of water hardness (one teaspoon of detergent per grain of water hardness). Your local water utility can tell you the water hardness.
0 – 3 Grains Hardness…1 Tablespoon
(Fill Dispenser Cup 1/4 Full)
4 – 6 Grains Hardness…2 Tablespoons
(Fill Dispenser Cup 1/2 Full)
7 – 9 Grains Hardness…3 Tablespoons
(Fill Dispenser Cup 3/4 Full)
10 – 12 Grains Hardness…4 Tablespoons
(Fill Dispenser Cup Completely Full)

When water is over 12 grains hard, it will be necessary to use the Low Energy wash cycle and fill both cups completely full of detergent. If this does not give satisfactory results, the only solutions may be to soften the water mechanically. When water is over 15 grains of hardness, it is very difficult to get good dishwashing results in any brand of dishwasher.
Low Water Temperature
The water temperature should be 140°F. as it enters the dishwasher. Check the water temperature by placing a candy or meat thermometer in a glass and letting it fill with water from the hot water faucet in the kitchen sink. Let the water run until the temperature stops rising. If it is not 140°F., adjust the water heater. If the dishwasher is not near the hot water heater, let the water run before starting the dishwasher. This clears the line of cold water.
Not Using a Rinse Additive
A rinse additive such as JET-DRY improves the sheeting action of the water. Use liquid JET-DRY in the rinse dispenser. If the dishwasher is not equipped with a dispenser, hang a basket of solid JET-DRY in a back corner of the lower rack.

 

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