Low TDS (Total Dissolved Solids) in water is generally considered good for several reasons, depending on the context of use:

1. Health Benefits (Drinking Water)

   • Fewer Contaminants: Low TDS means fewer dissolved salts, heavy metals, or harmful substances like lead, arsenic, and nitrates.
     
     
   • Better Hydration: Pure water (low TDS) is absorbed more efficiently by the body.
     
     
   • Better Taste: High TDS can make water taste salty, bitter, or metallic, whereas low TDS water tastes cleaner and fresher.
     
     
     

2. Household and Appliances

   • Prevents Scaling: Hard water (high TDS) causes scale buildup in pipes, kettles, and water heaters. Low TDS water reduces this issue, improving appliance lifespan.
     
     
   • Better for Cooking: Low TDS water doesn’t alter the taste of food or beverages like coffee and tea.
     
     
     

3. Industrial and Laboratory Use

   • Purity for Processes: Many industries (pharmaceuticals, electronics, laboratories) require ultra-pure water to prevent contamination.
     
     
   • Efficiency in Boilers and Cooling Towers: High TDS water causes deposits and corrosion, reducing efficiency.
     
     
     
     

When is Low TDS Bad?

• Extremely Low TDS (<30 ppm): Water with extremely low TDS (like distilled or RO water) can taste flat and may lack essential minerals like calcium and magnesium, which are beneficial for health.
  
  
• Corrosiveness: Water with very low TDS can be more aggressive and may leach metals from pipes, increasing the risk of contamination.
  
  
  

Ideal TDS Levels for Drinking Water

• 50–150 ppm: Ideal for drinking, with good balance of minerals.
  
  
• 150–300 ppm: Acceptable but may have minor taste variations.
  
  
• 300–500 ppm: Still safe but may start tasting different.
  
  
• Above 500 ppm: Not recommended; may contain excessive salts or contaminants.
  
  
  
  

Would you like guidance on how to measure or reduce TDS in your water?

Call (305) 677-9897 and one of the reps will always help you!