Pedicool C20 is a high performance Zinc phosphonate based cooling water scale and corrosion inhibitor scientifically formulated for the treatment and protection of open re-circulating water systems operating under corrosive water conditions. Product Benefits > High performance Zinc phosphonate scale and corrosion inhibitors > Suitable for open re-circulating water systems > Ideal for corrosive water conditions. > Excellent multi-functional product > Proven protection over range of operating parameters > Liquid product for ease of use