Prevents scale formation and cloudy water due to high calcium levels
Removes some scale build-up on spa surface, preventing damage to surfaces and circulation systems
Removes relatively fresh metal stains from spa surfaces
            Others purchased
          
         
  
  
  
 
  
  
  
 
  
 
  
 
  
 
  
  
  
 
  
  
  
 
  
  
  
