1.Fill the bottle with warm water before adding soap. Hot water will help you better integrate the soap,
2.Adjust the knob on the top to know how much water is mixed. The sign of minus (-) indicates less water (so more foam is produced), and the (+) indicates more water (so less foam is produced)
3.Adjust the spray nozzle first to find the stream of water that works for you. You can adjust it so that it sprays in a decent fan pattern.