Don't panic, I keep telling you not to lose your composure! Whatever happens to your clothes, don't break your concentration on your hands. The kombu must come out at around 65 degrees, just before boiling. If the water temperature strays even slightly from the standard, insoluble alginic acid, slime and astringency will leach out, the turbidity will rise, and the dashi's clarity will be destroyed in an instant. (N1 lesson 155)