Winter months may take several weeks to get desired results. Easiest way to do this is to place the bottle in a window that gets several hours of direct sunlight each day. No opening the globe, no effecting the flow or contents other than the fading.
Here is a link that may help
http://oozinggoo.ning.com/main/search/search?q=fading+globe martin ward said:
Hi thanks for the advice I just wanted a clear fluid so I can see the blue wax better