I have a Starbucks Barista espresso maker. I use it with a Krups GVX2 burr style grinder I bought from the
Costco ($50). You can see in the photo a circular object to the left of the front of the Barista. I believe I read it is some sort of coffee pre soaker. Is it a pre soaker, and if so, how is it used. Also, what is the prevailing opinion of he Krups GVX2 burr grinder? Thanks in advance!
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