Hello,
Long time reader, first time poster.
before I dive head on into pulling my machine apart.
I’m having a bit of trouble.
bought a second hand rancillio Silvia. Guy I bought it off didn’t really clean it to much.
since I have had it. I have descaled it twice. But after first descale. My coffee has been rancid tasting.
very sour/acidic.
before any one says under extracted. Ive gone to the opposite extreme that it takes 50 seconds to yield 40ml from a 20g dose just to see what it turns out. Surprise can still taste the acidic sour taste. Have done this with different beans to rule out bean flavour.
now my question..
would it be safe to say the boiler has a lot of buildup in it that it is soaking in the descaler and tainting the flavour. Since I have ran several litres of water through it to try flush it out.
has anyone else had a similar problem with second hand machine?
Long time reader, first time poster.
before I dive head on into pulling my machine apart.
I’m having a bit of trouble.
bought a second hand rancillio Silvia. Guy I bought it off didn’t really clean it to much.
since I have had it. I have descaled it twice. But after first descale. My coffee has been rancid tasting.
very sour/acidic.
before any one says under extracted. Ive gone to the opposite extreme that it takes 50 seconds to yield 40ml from a 20g dose just to see what it turns out. Surprise can still taste the acidic sour taste. Have done this with different beans to rule out bean flavour.
now my question..
would it be safe to say the boiler has a lot of buildup in it that it is soaking in the descaler and tainting the flavour. Since I have ran several litres of water through it to try flush it out.
has anyone else had a similar problem with second hand machine?

... Very dangerous to use on any brass components, it will react with the Zinc and weaken the structure. Much better to use a product designed for the purpose such as the Triple Action Descaler or plain old Citric Acid, neither of which will attack any metal componentry.
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