Sancto Water-Soluble Hydrogen Water V Simple Hydrogen Generating Stick New You can make hydrogen water at home! New, unopened product. [You can make hydrogen water with a plastic bottle] ⚫︎ Water-soluble hydrogen water V, 3 sticks ⚫︎ Cleaning citric acid, 12 packets (6 months supply) Tax included price: 12,500 yen Product name: Water-soluble hydrogen water V Ingredients: Magnesium (purity 99.95%), natural stone Container material: Polypropylene resin Heat resistance: 60℃ Body dimensions: 18mm x 122mm How to use: Insert into water to generate hydrogen in the water. Usage period: Hydrogen generation capacity maintained for 6 months or more by cleaning with citric acid aqueous solution approximately once every 2 weeks. Inspection items: Water quality test results and dissolved hydrogen concentration measurement ★ Highly popular, this is the last set. This time, it's a completely new product. The box has been opened, but the sticks and citric acid cleaning agent inside are completely unopened and new. Please understand that only the box has been opened. ● Please refrain from purchasing if you are sensitive to such things. ● We will take measures against rain, wrap it in packing material, put it in a cardboard box, and ship it via Mercari's anonymous delivery service.