上RC不小心看到這篇文章.. http://www.reefcentral.com/forums/showthread.php?s=8244c7979b23515de5469b4f050a2fe1&threadid=664258 其中只看的懂一句話: I take a turkey baster and "Wash" my zoo colonies at least twice a week. (from Nuhtty) 所以其實鈕扣是需要清潔的嘛?!