Can anyone tell me if it is safe to run distilled white vinegar through the machine? I've been using standard coffee-machine cleaning pellets, but they donít seem to be doing the job as far as the steam wand is concerned. Lately when I make a cappuccino the steam just isnít strong enough top bring up a nice creamy foam. I suspect it may be a bit clogged.
Personally I will not ever suggest or use vinegar in an espresso machine, although many customer do so, I suppose it could be effective for minor scale build up but nothing like citric acid or even better the descaling agent sold specifically to do this type of job, first thing first before going to the extreme, is your pressurestat (and gauge reading) accurate? min of .9 to 1.2 very max will be a range in which an MC Leva will operate if so, remove the wand and (even without removing it) make sure the wand tip holes are clean and clear from milk build up, a needle will do the job as a start, if so, after removing the pressure form the machine, open the knob and look inside the boiler with a flashlight what color the HE and inside of the boiler is? if no build ups then you do not have scale
assuming then that the Pstat is doing is job and there is no scale build up, then address your problem to the wand, I will not soak it in vinegar or any other descaler but you can safely use product like pulymilk which is made specifically for the milk without damaging the finish
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