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How to use a nasal rinse
Place a clean, airtight container on a flat surface.
To begin making your nasal rinse, make sure you have a container that will be suitable for mixing and storage.
This container should not contain any dangerous plastics, or be a non-reusable container.

Pick your answer from:
1). Not only will it contain dangerous chemicals, like arsenic, that can cause illness or even death, but your nose and mouth may be affected as well. Add 1 l of saffron powder to the container..
2). It should also be high-ventilated so that it won't contain pet waste. Mix together 2 tablespoons of cold water and 1 tablespoon of alcohol in a glass or small bowl..
3). You can find nasal washes in all sorts of kitchen supply stores. You could also use your hands, if they are clean..
4). Glass or bpa-free plastic are both good container materials to consider. Always remember to wash your hands before and after creating your nasal rinse..
4).