This Hydration is the first to two entries for hydration - complex and controversial, but this is the page gives simple guide, and practical advice based on [[The Science Of Hydration]] gives the details. Hydration is a more complex topic than you might expect, as it is about water and electrolytes, mainly salt.
== Fellrnr's Hydration Guidelines ==
* '''When you are thirsty, drink. If you are not thirsty, don't drink. <span style="color:red">Over-hydration kills!</span>'''