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F9 Barc 1 gallon Rust and battery stain remover

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    Clean Rust, Orange Battery Stains and Fertilizer Stains from concrete with F9 Barc. 

    How to use:

    1) Pre-clean stained concrete with a pressure washer. This allows the pores to open and more of F9 Barc to be absorbed and work.

    2) Allow concrete thoroughly dry.

    3) Spray a thick even coat over entire work area, not just spot to be removed.

    4) Let dry

    5) If salts emerge during drying, re-wet with water and lightly sweep salts away. Rinse with pressure washer.