If 50 kilograms of water impose fine bleaching pink piece 1 piece, can exterminate armour liver virus; If already had armour liver,popularity can increase dosage of essence bleaching pink appropriately.

• 如50公斤水加漂粉精片1片，就可杀灭甲肝病毒；如已有甲肝流行可适当加大漂粉精用量。