I have used (and indeed continue to use) literally all sorts! Yes, including such exotic concoctions as lemon juice and vinegar, or WD-40 mixed with Mr.Sheen (my old favourite). Sometimes stuff like that works, sometimes it doesn't. It all seems to hinge upon the moods of the Gods of Biomed on the day.

At the moment, however, I can report having good results with Ambersil Amberklene FE-10. smile

If you don't inspect ... don't expect.