Are you sick and tired of battling with stinky nappies? Try this NEW and improved Classic Rock formula with "ammonia busters!" This is the sound that started it all. Our original formula is great for nappies and regular clothes. So use it on everything! This formula is designed for those with middle of the road water, not too soft and not too hard. When in doubt start with classic rock! This great value bag is enough washing powder for 45 loads in a top loader or 90 loads in a front loader or high efficiency washing machine.