Crikey.I must be doing something wrong then.Im on my second snow foam lance and over the few years tried the following : Meguiers Hyper Wash, Auto Finesse Avalanche, Valet pro citrus prewash, Valet Pro Advanced Neutral and Ultimate Snow Foam.Have tried them all neat, and to recommended dilutions.The foam is thick and clingy, and left on for at least 5 to ten minutes.Ant bird poo etc is dealt with by using another product.Yet I still find that foaming is only good for loosening dried mud etc....the bodywork is still covered in traffic film and dirt requiring a proper hand two bucket job.Not worth the effort or cost unless dried mud is an issue.I guessthe only alternative is to use a tfr but this removes my protection.