I was wondering that because I have the same thing except recently it's become like a frothy head like you get on a beer,asked on here and someone told me it could be protein in my wee so I asked my GP who confirmed that when they sent my first wee sample off to the Lab-It came back as proteinurea and they will need to monitor my kidneys every 3 months.
I guess sugar that has leaked through the kidneys filtration and into your wee could make your urine more sweet smelling too,I know mine seems to and I'm sure I've read that as well but don't quote me on it! :lol: