Hydrax 1929

Hydrax 1929 is a liquid alkalinity builder based on sodium hydroxide and is especially formulated for use in boiler plant where the feedwater contains insufficient alkalinity. Hydrax 1929 may be safely used in treatment programs incorporating catalysed sodium sulphite oxygen scavenger. This product is a diluted version of Hydrax 1928, so it is more suitable in exposed locations where heavy frosts could occur.