Brewcraft No Rinse Steriliser makes the vital job of sterilising your equipment easy. It is different to conventional alkaline powdered sterilisers as it requires no rinsing. Brewcraft No Rinse Steriliser effectively sterilises your brewing equipment with active oxygen and breaks down to leave only oxygen, water and minerals found naturally in water. NET Weight 25 grams. Contains oxygen activated mineral crystals (Sodium Percarbonate).