Use the clay. It may take longer to set up but will be fine. As to amounts I would say experiment. I'm sure others in the group will have more specific amounts for you. I used clay a long time ago and liked the results but I don' remember how much I put in.
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To: papercreters@yahoogroups.com
From: heerkitty@yahoo.com
Date: Tue, 3 May 2011 17:20:33 +0000
Subject: [papercreters] question about cement
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