After my first response of "cool!" I started wondering if the wafers could be sliced to make thinner wafers. It would reduce the burn time for each wafer, but for a single tube you would have more than 5 fire-starts. I'll have to pick some up the next time I see them and give it a try.
It would be akin to trying to slice a frozen Hershey's bar. Pretty crumbly. If you put the tablet out you can reuse it and get extra starts that way, but I don't know if I'd be keen on dropping the warm tab on top of the other ones! Since they're only 21-25 cents each I'm not too concerned about getting extra lights. For the most part I envision using them as emergency tinder; I generally enjoy keeping regular "scheduled" fire making a bit more prep intensive and "low tech" (although I confess to being utterly infatuated with potassium permanganate & glycerine!).
One thing that might be interesting would be too pulverize some tablets and fill a container with just the "dust." Would it remain as flammable all crushed up? How long would it burn? Hard to guess without some testing.
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