Aqueous solution of ethylene glycol. To prevent the water from heating up and producing toxic substances, solar water heaters add an aqueous solution of ethylene glycol, a pink liquid. As its name suggests, a water heater refers to the provision of hot water through electricity. It uses electricity to heat water for an instant hot water supply.
Pink liquid added to solar water heater
Introduction The aqueous solution of pink liquid ethylene glycol added to the solar water heater. To prevent the water from heating up and producing toxic substances, solar water heaters add an aqueous solution of ethylene glycol.