<iframe width="580" height="385" src="https://www.youtube.com/embed/CsSrXvNVGNU?rel=0&modestbranding=1" frameborder="0" allowfullscreen></iframe> <br>Scalding hot water will burn your coffee, like it burns you. Arno Holschuh shows one method for getting it down to the optimal temperature. <br><a href="https://www.youtube.com/watch?v=CsSrXvNVGNU">source</a>