And it is an awful idea to put into it when you see this beginning. The correct type of stain can be used so how the odor in the stain dissipates quickly and affect your wine. The other common fault is the cork taint or 'corked' wine. The alcohol in the wine kills all the impurities. http://BBS.Lingshangkaihua.com/home.php?mod=space&uid=1452600