The paintbrush-licking story -- I thought that was Radium, not Tritium.
Even Tritium you find these days is not going to glow so great, Tritium has a half-life of around 12 years, so 12 year old Tritium paint will only be half as bright as when it was new.
One good thing about superLume is that it flouresces with UV.. so on a day which is dark because it's cloudy (rather than just night-time) or when you're under water, it can appear much brighter just due to this effect than merely by glowing due to precharge.