The Franklin Park Zoo introduces a new African Penguin Coast habitat! Houghton Chemical has provided our product SAFE-T-THERM® HD to be used in their energy-efficient geothermal system that heats and cools the penguin pool and building year-round. Visit the zoo and welcome the penguins to their new home! For more info on this product, see www.houghton.com/heat-transfer-fluids/inhibited-propylene-glycol-fluids/safe-t-therm-hd/