Key benefits - Simple first use cleaning using a vinegar and water solution in a controlled 500 ml cup - Clear, short steps that require only common household ingredients - No harsh chemicals needed for initial bottle cleaning - Optional support for hydrogen water rods during the wash step - Provides a measured process to prepare a bottle for first use How to use on first use 1. Open the pack 2. Mix vinegar and water in a cup with 500 ml capacity at a 1:1 ratio 3. Cover the cup and shake for 10 seconds 4. Open the lid and let the solution stand for 15 minutes 5. Wash the bottle with water. Hydrogen water rods can be used Specifications - Cup capacity: 500 ml - Mixing ratio: vinegar to water 1:1 - Shake time: 10 seconds - Soak time: 15 minutes - Intended use: first use bottle cleaning Use scenarios - Preparing a brand new bottle for its first use - Initial deep clean of a bottle before any beverage is stored or consumed - Odor or residue removal from packaging or storage prior to first use