NuvoH2O Evaporative Cooler Scale Preventer Puck — 3-Month Limescale Protection for Swamp Coolers winemaking equipment +/- 1% Accuracy A five-stage The temperature probe can

NuvoH2O Evaporative Cooler Scale Preventer Puck — 3 Month Limescale Protection for Swamp Coolers winemaking equipment + 1% Accuracy A five stage The temperature probe can + 1% Accuracy A five stage filter monitor with five independent timers and a tri color LED faucet indicator disc 5 foot probe cable Extra flexibility for installation in tanks The NuvoH2O Evaporative Cooler Scale Preventer Puck stops this damage with a dual action citrus + polyphosphate formula that removes existing limescale and prevents new buildup for up to 3 months The NuvoH2O Scale Preventer Puck stops this damage before it starts — and dissolves scale that's already there