The bleach is harmful. The Ministry of Health does not allow the use of additives in food is sodium hydro sulphite (Sodium. hydrosulfite) or the locals call it other names, including washing powder nets Dithionous acid, disodium salt; Sodium dithionite hydrate; Sodium sulfoxylate; Reductone; Sulfoxylate; Virtex L; Hydrolin; D-Ox; Vatrolite; Molecular formula: Na2O4S2 sodium hydrogen sulfite, a chemical that is toxic is a white crystalline powder. A pungent smell of sulfur light Soluble in water Insoluble in alcohol Is a substance used in connection with the bleaching of paper, silk, leather and fishnet. If skin contact can cause skin inflammation, redness if consumed can cause inflammation in organs such as food, mouth, throat and stomach. If you eat more than 30 grams can cause stomach pain, dizziness, vomiting, diarrhea, blood pressure, decreased breathing, chest discomfort, bronchial asthma, causing shrinkage in people with this disease may already bowled. Unconsciousness and death