Product Short Description: Organic liquid corrosion inhibitor with low-toxic poerty provides long-life corrosion protection for closed cooling water systems . Rxsol Cool water treat will protect all commonly used materials in engine cooling water systems, including aluminium. Cool water treat Product Description: Corrosion Inhibitor Cool water Treat is specialized Cooling Water treatment chemicals for a re-circulating water system. Nitrite Based corrosion inhibitor Suitable for all types water circulation cooling.