Product Short Description: RXSOL LIQUID EWT treatment is an excellent treatment for diesel engine primary and secondary cooling water. It is also ideally suited for use in chilled water systems because it forms a clear, non-staining solution, which protects the system from corrosion and hard water scale. Product Description: Nitrite based closed circuit inhibitor 1000ppm at 1.00% RXSOL LIQUID EWT is a high performance nitrite based closed circuit inhibitor with indicator. Nitrite > 1000ppm at 1.00%.It is multi-functional corrosion inhibitor for protecting recalculating cooling and heating water systems. RXSOL LIQUID EWT treatment is an excellent treatment for diesel engine primary and secondary cooling water. It is also ideally suited for use in chilled water systems because it forms a clear, non-staining solution, which protects the system from corrosion and hard water scale. RXSOL LIQUID EWT treatment is approved or authorized for use by: