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1. The first step in prepping the surface for the POR-15 is to apply Engine Clean, a strong degreaser. Mix it according to the instructions (1 to 3 parts hot water for each part degreaser) depending on the surface, scrub the surface, then rinse with water.
Rust Repair Made Easy

 1. The first step in prepping the surface for the POR-15 is to apply Engine Clean, a strong degreaser. Mix it according to the instructions (1 to 3 parts hot water for each part degreaser) depending on the surface, scrub the surface, then rinse with water.  View Related Article

 

 

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