Rinse the surfaces to be cleaned with water. Then spray generously to the prescribed degree of concentration or apply with a sponge and scrub. If there is heavy soiling, use a soft brush. Remove dirt and detergent residue by rinsing with a strong stream of water. To avoid lime stains, dry the surface with a suede or microfiber cloth. Also suitable for cleaning with high-pressure equipment. Dosage: for periodic cleaning, dilute concentrate to a ratio of 1:20 with water. In heavily soiled boats and solidified layers of dirt, a concentration of 1:8 to 1:12 is recommended