Hercules® Descalers quickly and easily dissolve inorganic deposits that restrict flow to restore circulation and heat transfer efficiency. Citric acid-based, non-corrosive and VOC free, it removes carbonates, sulfates, phosphates, rust, oxides and other mineral deposits. Hercules Descalers extend the life of the appliance when used as part of a regularly scheduled preventative maintenance program.

Helpful Resources


How to Descale a Tankless Water Heater