Miele PWM 908 Operating And Installation Instructions page 26

5. Adding detergent
There are several options for adding
detergent to the washing machine.
Detergent drawer
You can use any detergent that is
suitable for washing machines.
Detergent dispensing
Please follow the detergent
manufacturer's instructions in relation
to dosage.
Adding too much detergent will lead
to excessive foaming.
Avoid adding excess detergent.
The amount to dispense will depend on:
– The amount of laundry
– The level of soiling of the laundry
– The water hardness
Hardness Hardness
range in mmol/l
Soft (I)
Medium (II) 1.5–2.5
Hard (III) Above 2.5
Check with your local water supplier if
you do not know the water hardness in
your area.
26
Hardness in gr/
gal
0–1.5 0–8
8–14
Above 14
Adding detergent
 Pull out the detergent drawer and add
detergent to the compartments.
 Detergent for the prewash
(recommended distribution of the
total detergent amount as
follows: ⅓ to compartment 
and ⅔ to compartment )
 Detergent for the main wash
/
Fabric softener, liquid starch, and

cap
For disinfection programs, the
 and  compartments can be
filled with detergent for the main wash
if you have not selected prewash.