Cryo-tek Antifreeze

Hercules® Cryo-Tek™ AG Antifreeze

Hercules® Cryo-Tek™ AG Antifreeze is formulated for use in closed loop hydronic heating and cooling systems. It can also be used in radiant tube heating systems, most solar heating systems and geothermal loops.

Hercules® Cryo-Tek™ Original Antifreeze

Hercules® Cryo-Tek™ Original Antifreeze is designed for hydronic heating and cooling closed loop systems, most solar heating systems, snow melts, radiant heat and general plumbing systems.

Hercules® Cryo-Tek™ Test Strips

Hercules® Cryo-Tek™ Test Strips simultaneously check the level of propylene glycol and level of corrosion protection.

Hercules® Universal Cryo-Tek™ Antifreeze

Hercules® Universal Cryo-Tek™ Anti-Freeze stabilizes PH to prevent corrosion, chelates, hard water minerals, and inhibits the formation of scale and sediment.

Hercules® Cryo-Tek™ FG Antifreeze

Hercules® Cryo-Tek™ FG Antifreeze is formulated with a blend of food grade propylene glycol and high purity inhibitors for use in closed loop hydronic heating and cooling systems.