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F9 Concrete Rust Remover is specifically developed to evaporate nasty orange battery acid staining, rust, irrigation stains and fertilizer rust. This includes the full spectrum of the rust family- watery, thick, topical, embedded, and granulized fertilizer staining. F9, the most effective concrete rust remover is recommended to be applied by an Authorized F9 Professional Rust Removal company. The concrete should be professionally cleansed before application F9 Authorized Professional Rust Remover Applicators do this. Once the knowledgeable applier of the most effective concrete rust remover pressure washes your concrete, they’re going to apply F9 BARC concrete rust remover through a pump up sprayer, let it dry and then most likely treat your concrete again. Ordinarily a double application is needed. F9 BARC with eco-friendly, biodegradable chemicals locks into the concrete, reverses 90-100% of the staining and restores concrete to its natural bright gray color. Our concrete rust remover also works on pavers, brick, stucco, siding, painted surfaces, vinyl, asphalt and others.