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?!

我覺得有必要耶,因為要是有殘餌或者是魚的排泄物等沉積在表面上的話,可能會受到蝦類或其他小生物的騷擾,不過1星期2次也太猛了吧@@: