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WATER HARDNESS
Very Hard Water
13 grains and above (cont.)
AMOUNT OF DETERGENT
For heavily soiled loads:
• Fill the Main Wash section (3 tablespoons or 45 grams)
• Fill the Pre-Wash section (2 tablespoons or 30 grams)
• Turn the rinse agent dispenser to a higher setting. See
“Using the rinse agent dispenser” later in this section.
NOTE: Under abnormal water hardness conditions
(13 grains and above), it may be necessary to use the
Soak & Scrub cycle for best wash performance.
Different brands of dishwasher detergent
have different amounts of phosphorus for
softening water. If you have hard water and
use a detergent with a phosphorous content
of less than 8.7%, you may need to use
more detergent, or use a detergent with a
phosphorous content higher than 8.7%.
• Excessive amounts of detergent combined
with soft water may cause etching of
glassware.
NOTE: Water hardness may change over a
period of time. Contact your local water utility
or area water softening company to determine
your water hardness, or order water hardness
test strip (Part Number 4171690) through the
Consumer Assistance Center.
How much detergent to use (cont.)
Using the Dispensers