Cleaning Optimus 930
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Ok very good.
How much citric acid do you normally use per liter of water and what is the procedure when you use it?
I know some people boil the parts in a citric acid mix. Do you do this? And for how long if you do? -
I take 50-70 grams of citric acid per liter of water.
So 5-7% solution.
There the things to be cleaned are given.
But no aluminum, please.Warming up or cooking slightly shortens the process,
I've never done that before.
In a cold solution it takes a while until everything has chemically dissolved.
The more dirt and rust, the longer it will take.
Sometimes a half day is enough, sometimes you have to wait a few hours longer.
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Sorry for my bad englisch:
And dont forget to neutralise the parts with a strong sollution of soapwater after bathing in citric acid
(wer es besser kann soll das bitte korrigieren/verbessern - bei mir ist Englisch halt schon lange her)