[BobC]

Originally Posted by nolemmings

I have no experience in soaking, but would leave these alone. They are incredibly thin and brittle on their own as it is. In fact, when I insert them in plastic pages, I first slide a thin cardboard backing into the page and then carefully add the R310 onto that and let it ride into the page-- no need to see the blank back. I can barely imagine one of these surviving a soak, and even less so believing it would display without noticeable damage or warping. Frankly, these are so delicate I am convinced they are damaged if you even use harsh language in their presence.

+1 What Todd said.