Glass MagicDetails GM5, GM20 Glass Magic is a highly concentrated, non streak glass cleaner. It is an excellent product for cleaning highly polished surface, eg chrome, as it leaves no smears or streaks. Glass Magic is a clear blue liquid, with a slight ammonia odour. It is non toxic, non flammable, mildly alkaline, and harmless to painted surfaces in good condition, fabrics, and glass etc. Glass Magic is free rinsing, and when used at the correct dilution,