I'm assuming it stocks? Is this right? If so, is there a certain time or anything?

I'm new and slightly confused, any help is greatly appreciated.

Thanks in advance to everyone.

There is no certain time, it gets restocked manually if staff decides to do it. New item releases are announced in the News, so are most Potion restocks (those are very rare though).

Oh, alright! Thank-you very much. (: