As a service company we are constantly asked, "Why doesn't my dishwasher clean better". To this query we offer the following insights and suggestions.
Whenever we diagnose a "poor cleaning" complaint the main things we want to know are:
1)Is the water hot enough, 2)are you using a proper detergent, 3) are you using a rinse additive, and 4) your loading practices.
1 Water temperature
Most manufacturers suggest a minimum 120 Fahrenheit for the dishwasher to begin the cleaning process, 140 to remove food soiling, and 155 to sanitize and remove bacteria. In restaurants they boost the dishwasher temperature to 180 Fahrenheit to satisfy health requirements. Consumers misunderstanding these requirements have led to problems for the household dishwasher.
In a dishwasher the temperature of the wash water is paramount. Unfortunately, It is now common to find household water temperatures of 100 Fahrenheit, or less.
Many people have lowered their household water temperature in an effort to be conscientious consumers. Yes, it lowers electrical consumption. Unfortunately it has other consequences.
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