Hygrometer

hygrometer
hygrometer

As soon as you think that your plant material is dry, measure its moisture content. If it is too moist, it will soon be unfit for use! Put the leaves, together with a small hygrometer, into an air-tight container, e.g. a jam jar. After 3 hours, you can read the humidity of the air above the leaves. Using our table, then this information tells one how long the tea can be safely kept.