I've "solved" the problem for myself by buying a pen-sized Thermaltake food thermometer. You heat your water until it's slightly above the right temp and then l

I've "solved" the problem for myself by buying a pen-sized Thermaltake food thermometer. You heat your water until it's slightly above the right temp and then let it cool a bit while measuring. I like having a more scientific approach to my tea-drinking. :)