LC 123 is specially formulated for large installations high hardness water. It is developed for effective, economical cooling water treatment at hospitals, hotels, large apartment houses, office buildings and other industrial and institutional cooling installations with high hardness make-up water. It contains no phosphates, chromate, zinc, or other chemicals that cause pollution problem. Helps control mineral deposits, sludge and surface pitting and does not stain automobiles or buildings. Application Use a reliable automatic proportioner with timer for controlled dosage. Follow instructions for calculated bleed of rate and recommended daily maintenance treatment as suggested by the Field Chemist Personnel. The dosage and treatment program depend on size of installation and water hardness (ppm). Dosage Initial treatment : Add 1 gallon of LC 123 per 2,000 gallons of recirculating water. Maintenance treatment as per size of installation & hardness (consult our Technician) Handling & Precaution Wear protective clothing and eye protection should be provided and worn. In case of skin contact, immediately flush thoroughly with plenty of clean water. In case of eye contact, flush with copious of amounts of water for 15 minutes and obtain immediate medical attention. Refer to MSDS for more specific directions. Packaging Available in pail of 20 lt.. Can also be custom packaged.