Guys i just wandered what snow foam are you using.I brought this kit below but dont rate the foam.
http://www.ebay.co.uk/itm/Autobrite-Foam-Lance-5-Litres-Super-Snow-Foam-/260839604062?pt=UK_Car_Accessories_Car_Care_Cleaning&hash=item3cbb407f5e
i have now ordered some Valet pro PH Neutral hopefully this will be better as i use there alloy wash.
http://www.ebay.co.uk/itm/Autobrite-Foam-Lance-5-Litres-Super-Snow-Foam-/260839604062?pt=UK_Car_Accessories_Car_Care_Cleaning&hash=item3cbb407f5e
i have now ordered some Valet pro PH Neutral hopefully this will be better as i use there alloy wash.