Protect your landscaping with Rid O' Rust RR1, America's No. 1 selling rust preventer featuring a powerful 2X formula twice as strong as original formulas. This premium rust and stain remover effectively prevents ugly rust stains and scaling from irrigation well water through injection or siphoning systems. Designed for water with pH 6+ and any hardness level, just 1/2 gallon treats 125,000 gallons of water with 1 ppm iron. Use in place of Formula 500 and Formula 2000. Trusted by professionals since 1995, Pro Products LLC delivers superior rust prevention solutions that keep outdoor surfaces pristine and rust-free. Each 64 oz. bottle is meticulously inspected for quality and reliability, ensuring long-lasting protection for your irrigation system and maintaining clean, stain-free environments year-round. Compatible with American Hydro Systems, this advanced formula works seamlessly with existing equipment for hassle-free installation. Additional Details ------------------------------ Bullet point: PREVENT RUST STAINS: Protect surfaces from ugly rust stains and scaling with Rid O' Rust RR1, the No. 1 selling rust preventer in the US. This 2X formula is twice as strong as the original Rid O' Rust formulas, effectively preventing rust stains and scaling from irrigation well water. This rust and stain remover works through injection or siphoning systems, offering reliable rust prevention and stain removal. Say goodbye to stains on sprinklers and keep your landscaping rust free. Brand: PRO Directions: 1) Clean existing rust stains with Rid O' Rust Rust Stain Remover. 2) Test your water frequently for iron and pH. 3) Use the test results and the dosage chart on the back of the bottle to determine how many bottles to add to the tank. Fill the remainder of the tank with water.