Triox has two drawbacks. First, it will rapidly degrade once exposed. You open it, you light it. The fumes prduced are also toxic, so use in a well ventilated shelter. Fortunately, most survival shelters are 'well ventilated.' That it will work with wet wood is a matter of degree and patience. If you are working through the stages of tinder, kindling, squaw fire, bonfire yes. It is dependable fire in foil. If your looking at green logs pulled from a 19th century lumbercamp river- forget it.