Spray the Acto® Pro B on the surface. Spread the product on the surface with a sponge or brush and leave for 2 to 5 minutes. Then, rinse it with plenty of water. It should be kept for a shorter period of time on marble, enamel and metal surfaces. Test it on a distant spot before spraying the product on such surfaces.
Dosage: 4-6 ml/L
Only for professional use.