Approximately 150,000 new ice machines are sold every year, and most arrive on premises with no form of water treatment. In fact, of all ice machines needing repairs each year, 70 percent of the needs are usually water related. Ice machines are particularly susceptible to clogging, corrosion and scale deposits that occur from solids, chemicals and minerals and need to be maintained to keep ice fresh and clear.

Below you’ll see charts that display our recommended water specifications. Water used to make ice or frozen carbonated beverages must be potable under local requirements and EPA drinking water standards, and it is recommended to meet the following attribute requirements:

Colour Codes

Total Dissolved Solids (TDS)

Parts per Million (ppm)

Total Hardness (TH)

Grains per Gallon (gpg)


Total Alkalinity (TA)

Parts per Million (ppm)

Free Chlorine (FCl)

Parts per Million (ppm)

Total Chlorine (TCl)

Parts per Million (ppm)

Chlorides (Cl)

Parts per Million (ppm)

Iron (Fe)

Parts per Million (ppm)