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How to check if the air valve for air leakage? - Supzoom Paddle Board Manual
Step 1. First of all, you need to have detergent or washing powder and stir it with water to make a foam.
Step 2. Spray the foam water on the air valve, and continuously observe whether continuous bubbles are emerging.
Step 3. If obvious bubbles are emerging for many times in a row, it can be determined that there is air leakage at this position.