Orphan Espresso Tech Tip - Machine Descaling

[AlonYehudaAbraham]

thanks for your tip,

will citric acid work well also on an aluminum boiler?

[GirlPaint]

Thanks for the lesson. BTW, what make/model espresso machine is that?

[orphanespresso]

@GirlPaint  Thank you for watching! It is an Olympia Cremina Model 67 espresso machine.