Step 1: Dissolve half a litre in half a bucket (5 litres) of water.
Step 2: Wet the surface with clean water and apply the solution using a floor cloth or mop. Do not treat more than 10 to 15 m2 at once.
Step 3: Scrub the surface well with a scrubbing (brush) and leave it to penetrate for 5 minutes and then scrub well again.
Step 4: Remove the solution by mopping with clean water.