www.pmmag.com/articles/93751-fire-sprinkler-antifreeze
Fire Sprinkler Antifreeze
April 1, 2010
Utility’s Fire & Ice Master-GL is a ready-to-use, glycerin-based, nontoxic antifreeze specifically designed for fire sprinkler systems.

Utility’s Fire & Ice Master-GL is a ready-to-use, glycerin-based, nontoxic antifreeze specifically designed for fire sprinkler systems. It should be used in place of water where freezing may damage or interfere with the proper operation of systems or equipment.
Utility Chemicals. www.utilitychemicals.com. Circle 37.

Utility’s Fire & Ice Master-GL is a ready-to-use, glycerin-based, nontoxic antifreeze specifically designed for fire sprinkler systems. It should be used in place of water where freezing may damage or interfere with the proper operation of systems or equipment.
Utility Chemicals. www.utilitychemicals.com. Circle 37.