does not mean you should pour it into any washing machine. Bosch, for example, advises against using vinegar and citric acid in its machines because acids can affect rubber components and contribute to deterioration over time.
Miele, on the other hand, specifies in instructions for some models that a particular citric-acid-based descaling product may be used according to the product and machine instructions.
The safest rule is simple: check your washing machine’s manual before putting citric acid, vinegar, bleach, or any other cleaning chemical inside the machine.
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