Water: The Invisible Variable
Role: The Solvent
Function: Enzyme Activation & Gluten Mobility
Spec: H₂O (Ideally Mineralised)Water is not just a filler; it is the trigger. Flour in a bag is biologically dormant. It is only when water is introduced that the enzymes (amylase and protease) wake up and the biological clock begins to tick.
Most bakers obsess over flour choice, but ignore the ingredient that makes up 75% of their dough's volume.
The Chemistry: Hardness vs. Softness
The mineral content of your water dictates the rheology (feel) of your dough.
Hard Water: Rich in calcium and magnesium. These minerals reinforce the gluten network, making the dough tighter and stronger.
Soft Water: Low in minerals. This can result in a slack, sticky dough that lacks strength.
The Fix: If you have very soft tap water, adding a pinch of mineral salt (like Celtic Grey) can artificially harden it.
The Interaction: Hydration and Enzymatic Speed
Water acts as the medium for enzymatic movement. The more water in the dough (higher hydration), the faster the enzymes can travel to their substrates (starch and protein).
High Hydration (80%+): Fermentation happens rapidly. The dough degrades faster.
Low Hydration (65%): Fermentation is slower. The dough holds its shape longer.
The Protocol: Temperature is Control
Water is your thermostat.
The Rule: Do not use room temperature water. Measure the temperature of your flour and your room, then adjust your water temperature to hit a "Desired Dough Temperature" (DDT) of 26°C.
Summer: Use ice water to prevent the dough from overheating.
Winter: Use warm (30°C) water to wake up the starter.