Helps Clear Cloudy Water ClearRay® Natural & Clear emulsifies and biodegrades contaminants commonly found in spas and hot tubs. Break down organics as soon as they enter your spa. Water is kept clear and odor free, with no discomfort to the hot tub user. Natural & Clear removes organics before they can interfere with sanitizer performance. ClearRay® Natural & Clear may be used in hot tubs equipped with ozonators. Directions for Use: To attain clean, clear, and odor-free spa and hot tub water, add an initial dose of 1 oz. of Natural & Clear to spas up to 300 gallons daily until water is clear. To maintain, add 1 oz. to spas up to 300 gallons weekly.