We do not recommend using our Calcium, Lime and Rust Remover to remove oil. If Calcium, Lime and Rust Remover is mixed with oil, it will darken the concrete, which is very difficult to remove. Will CLR Metal Clear work to remove hard water stains from my kitchen sink?
• Ensure the concrete joints are clean, dry, and free from dust, debris, oils, and contaminants. • Remove any existing weak, damaged, or incompatible joint fillers. • Saw-cut or properly prepare the joints to create a clean bonding surface. ...