Look for the mark and you'll find a safer product.
|Maximum Contaminant Level (MCL)||N/A|
|Potential Problems||Can cause scale buildup in appliances and hard water deposits on glass and other surfaces|
|Potential Source of Contaminant||Naturally occurring deposits of calcium and magnesium|
|Applicable NSF/ANSI Standard(s)||Standard 44|
|Water Treatment Technologies Certified by NSF for Reduction of this Contaminant||Cation Exchange Softener|