It's at the top of the home page towards the left, first choice on the menu. When you click/tap that a new page/tab opens up that will say USA Warehouse 24 Hours Dispatch.
U.S.A. warehouse
muth, it took me a while to get back to you on this, as the site was producing errors.
As for our little flower tank, t'was not offered thru the US Warehouse.
And so, we wait (and wait, and wait and wait wait wait WAIT!!!!!!!).
Tomorrow ends their Happy New Year, so perhaps the status will change soon (from "payment accepted" to SHIPPED YIPPEE!).