How DDT works
The multiplier is 4 when there is a preferment, otherwise 3.
Water temperature = target × multiplier − room − flour − preferment − friction.
If the result is below tap temperature, use ice water; if it is above 40 °C, your dough may overheat.
Frequently Asked Questions
What friction factor should I use?
Hand mixing: 0 °C. Stand mixer: 2–5 °C. Food processor: higher. Start with 0 and adjust after your first bake.