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Old 01/03/2018, 01:55 PM   #4
bertoni
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Join Date: Mar 2002
Location: Mountain View, CA, USA
Posts: 87,324
I didn't have problems with Kalk clumping, but I live in an area with moderate humidity. It will convert to calcium carbonate over time, but the process generally seems to be very slow.


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Jonathan Bertoni
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