Boiler Inhibitor How do I stop my boiler from rusting?This Boiler Inhibitor is the most popular products to prevent your boiler system from rusting. Closed Loop Chemical 2338 & 2338D are designed for closed-loop water systems, both hot and chilled water systems. This product contains a combination of nitrite, borate, and silicate formulated to minimize corrosion. View the boiler chemical product bulletin or MSDS for more information.The product comes in a clear and pink form. Read the MSDS and product bulletin for information. This may also be used for very low make up water steam boilers. For regular steam boilers, please consider using a steam boiler chemical treatment program.How does the boiler rust inhibitor ship?ChemWorld 2338 or 2338D ships in 5 or 55 gallon containers. If you need a food grade inhibitor, please visit our other site at Chemworld.com.Is there a difference between a boiler rust inhibitor and a boiler corrosion inhibitor?No, these are essential the same terms. Both are used to identify the boiler corrosion inhibitor.How much chemical do I need to add to prevent my boiler from rusting?5 gallon treats 750 to 1500 gallons of fresh water.What testing should I perform to monitor this product's performance?You can use sodium nitrite test strips or a sodium nitrite test kit. Also, monitor the system conductivity and keep this information for reference in case you need to troubleshoot a problem.