you also need to replace your body's salt if you have been ohhh SWEATING for an extended amount of time.
It stores well and it is cheap too.
I always keep a sizable amount on hand.
"Who are the militia? Are they not ourselves. Congress have no power to disarm the militia. Their swords, and every other terrible implement of the soldier, are the birth-right of an American...(T)he unlimited power of the sword is not in the hands of either the federal or state governments, but, where I trust in God it will ever remain, in the hands of the people." (Tench Coxe, Freeman's Journal, 20 Feb 1778)