NuvoH2O Evaporative Cooler Scale Preventer Puck — 3-Month Limescale Protection for Swamp Coolers radiological filter Approved for use with water

Approved for use with water filtration systems

Endpoint Detection: Once all chloride is converted to mercuric chloride form

Salinity: Manual compensation from 0 to 40 g/L with 1 g/L resolution

Press the "Push-to-Check" button for an instant water quality check

NuvoH2O Evaporative Cooler Scale Preventer Puck — 3-Month Limescale Protection for Swamp Coolers radiological filter Approved for use with waterNuvoH2O Evaporative Cooler Scale Preventer Puck 3 Month Limescale Protection Hard water limescale is the #1 enemy of evaporative coolers (swamp coolers). Scale accumulates on the water pan, pump, pads, and distribution tubes with every cooling cycle reducing efficiency, restricting water flow, and causing premature component failure. The NuvoH2O Evaporative Cooler Scale Preventer Puck stops this damage with a dual action citrus + polyphosphate formula