By pure, they mean unbleached and unscented. It's a common problem in the "organic" world. I heard of someone who bought a bunch of organic rubarb, ate the leaves, and had to get their stomach pumped. And they spent the entire time saying "but it was organic". People don't think about what is IN their natural products in the first place.
Someone ate Rhubarb leaves!
Surely everyone knows the Oxalic acid in the leaves is a notorious poison.
Sorry, getting back to question, Is beeswax a superior survival candle fuel? No, because the tallow candle is a superior candle fuel. Not only does it work as a fuel for lighting and heat but the tallow candle, in a dire emergency be also used as a food source. Not very tasty but could be the difference between life and death.
Someone ate Rhubarb leaves!
And if you think eating a tallow candle sounds disgusting then just look at some of the ingredients in some of the diet crisps which use Olestra. Apparently causes something called anal leakage.
Homer Simpson says, "Hey, Apu, you got any of those potato chips that give you diarrhea? I need to do a little spring cleaning".
Apu responds, "They are in the safety cabinet. I'll get the key."
Someone ate Rhubarb leaves!