Caution: eye irritant. May cause skin irritation. For sensitive skin or prolonged use, wear gloves. First aid: eyes - flush with water for 15 minutes. If irritation persists, call a doctor. If swallowed - drink a glassful of water. Call a doctor or poison control center. Keep out of reach of children. Do not use or mix this product with other household chemicals such as toilet bowl cleaners, rust removers, vinegar, acids or products containing ammonia. To do so will release hazardous gases.