mediumish bowl of warm water,then half a cup of the other things,it might have been 10 drops of the seed extract, if you really want to know,i taped it,so i can tell you the exact drops of the seed extract
i missed that tip......and am interested in it as I have white pvc windows and they do look a wee bit grubby...i just wash them but they are in over ten yrs and could do with a re vamp