BioGuard Salt Pool Stain & Scale Control is a liquid sequestering agent that prevents the formation of scale in salt chlorinated pools.
 
• Helps prevent costly repair bills.
• Helps prevent serious damage to pool surface and equipment.
• Removes many freshly deposited metal stains from surfaces.
• Contains 2-phosphonobutane-1,2,4-tricarboxylic acid.
• Liquid sequestering agent.
• Prevents formation of crystalline calcium, magnesium and other water hardness ions.
• Helps prevent scale build-up from high calcium levels.
• Chelates iron, copper, manganese and heavy metals to prevent staining of pool surfaces.