Adding pinch of potassium Permanganate is a good way to purify water on a camping trip. Also carry a little glycerin with you. Fun fire starting trick is to fi

Adding pinch of potassium Permanganate is a good way to purify water on a camping trip. Also carry a little glycerin with you. Fun fire starting trick is to fill a bottle cap with permanganate and pour a little glycerin on top - wait one minute and presto: fire.