The below description is taken directly from the main Japanese website, and was (for the most part) Google translated.
Used for washing, disinfecting kitchen utensils, antibacterial, and removing residual pesticides from vegetables.
How To Use
Put with detergent. (1 to 2 tablespoons per 20 liters used) When
the temperature of the washing water is 20 to 30 degrees Celsius, the alkali effect is more pronounced.
[Disinfection / deodorization of kitchen utensils]
Dissolve 1 teaspoon in 2 liters of water, and wash cooking utensils with the solution.
[Remove residual agricultural chemicals from vegetables and fruits]
Dissolve 1 teaspoon in 2 liters of water, put vegetables and fruits in the water for about 5 minutes, then rinse with water.