Lc 121 is specially formulated for large installations and High hardness water. It is developed for effective, Economical cooling tower treatment at hospitals, hotels, Large apartment houses, office buildings and other Industrial and institutional cooling installations. Also Recommended for a small 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. Directly inject in to the circulating pipe upstream from the condenser. Cycles Of concentration will vary from 5 – 20 as a probable upper limit. For higher Limits consult our laboratory. Dosage Initial treatment : add 1 gallon of lc 121 per 2, 000 gallons of re-circulating Water. Maintenance treatment : 1 gallon per 6, 000 gallons of water lost to Bleed off. Handling & precaution Wear protective clothing and eye protection should be 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