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Unread 03/07/2018, 06:26 PM   #3
jccaclimber
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Join Date: May 2013
Location: San Francisco, CA
Posts: 528
I've stacked them in a pile 3 tall without issues. They probably last longer spread out, but I doubt it's a huge issue or they would have specified. I assume you are talking the black brick version vs. the older white ones?


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