ACADEMY SERIES · EPISODE 14Water Quality
Water Quality in Steam Humidifiers
If the water is 14 French degrees hard, a unit producing 50 kilograms of steam per hour takes about 168 grams of scale-forming minerals into its tank each day; in continuous operation, that adds up to roughly 60 kilograms a year. This episode covers how pH, hardness, TDS, conductivity, alkalinity, chloride and silica are read, how these values affect the choice of unit and maintenance frequency, and how to assess a water analysis in three steps.
Published: 8 October 2026Narration: Turkish and English6:31
In this video
- When water evaporates, salts and minerals stay in the tank: with 14 French degrees of hardness, a unit producing 50 kg of steam per hour takes in about 168 grams of scale-forming minerals a day.
- Water quality cannot be read from a single number; pH, hardness, TDS, conductivity, alkalinity, chloride and silica are assessed together.
- A softener reduces hardness but barely changes conductivity or total salts; sodium salts concentrate in the tank and can cause foaming.
- In an electrode humidifier conductivity is an operating requirement, while a resistive unit works with any water from mains to reverse osmosis and deionised water, and water quality only sets maintenance frequency.
- An analysis is read in three steps: the water and its conductivity decide the unit type, hardness, TDS, alkalinity and silica decide pre-treatment, and pH and chloride show the tendency to corrode.
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