Hi I'm using http://cgi.ebay.com/4-5Lb-LINERLESS-SOAP-BAR-MOLD-with-WOOD-WOODEN-LID_W0QQitemZ350051817837QQihZ022QQcategoryZ28116QQssPageNameZWDVWQQrdZ1QQcmdZViewItem, they seem to work allright, maybe its a mental thing but wood might be better. Also the we try to keep the soap on 120deg in the...