Hercules Cryo-Tek 1-gal. Anti-Freeze, with a triple protection inhibitor system, helps protect against mineral deposits and sedimentation in hydronic heating and closed loop systems, solar heating systems, radiant heat and general plumbing systems. This non-flammable, odorless liquid is also non-toxic. Pre-mixed with water and ready to use.
- Concentrated "arctic grade" anti-freeze solution
- Blue liquid
- 100% pure virgin propylene glycol/triple protection inhibitor package
- Cryo-Tek can also be used in radiant tube heating systems, most solar heating systems and geothermal loops