Why Your Swamp Cooler Is Losing Efficiency (And the 3-Month Puck That Fixes It)
Hard water limescale is the #1 cause of evaporative cooler (swamp cooler) efficiency loss and component failure. The NuvoH2O Scale Preventer Puck uses a dual-action citrus + polyphosphate formula to remove existing scale and prevent new buildup for 3 months — just place it in the water pan.