🔥 Keep Your Boiler Running Hot and Rust-Free! Maintain perfect balance for peak boiler performance. Get double the protection with two one-gallon bottles. Meets nitrite warranty requirements for peace of mind. Shield your investment with ProTech 300's advanced rust inhibitor. Each gallon treats up to 300 gallons—efficiency at its best! pH Balancing 2 Gallon Pack Rust Protection ProTech 300 Boiler Treatment is a powerful solution designed to protect your outdoor wood boiler from rust, corrosion, and scale. Each 2-gallon pack includes two one-gallon bottles, each capable of treating up to 300 gallons of water, ensuring optimal pH and alkalinity levels while meeting all manufacturer nitrite warranty requirements.