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What this tells me is that using the product as recommended will yield only marginal results
on February 17, 2017
I installed a filter into the basket and ran it through as I were making coffee. Using the initial mixture over and over again, that was now hot, I repeated the process three more times and each time installed a new filter. What I found was the amount of residue was much greater with the second & third cycle than the 1st and 4th. What this tells me is that using the product as recommended will yield only marginal results. So far so good after one month.
For future cleans, I'm going to repeat this process and check the results are replicated.