The shop I work at right now has an older three group Linea (2001 or 2002). Last night I took off the group head screen for cleaning and noticed a lot of scale build up on them. I usually keep everything pretty clean, but I've been ill and haven't been at work that often. I was wondering the causes of this build up. We have a water softener and decent water to begin with, but I'm going to recharge the water softener this week to make sure everything is working properly. How often does everyone recharge their water softeners? Is this a sign that the machine needs to be descaled or just poor cleaning habits on part of my baristas?
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