Hydration × flour

95% Hydration Medium Rye Flour

Glass-like hollow crumb. The extreme of sourdough hydration. Traditional Pan de Cristal target.

✓ Within Medium Rye Flour's workable range (8095%)

Is 95% hydration right for Medium Rye Flour?

Medium Rye Flour's workable hydration range is 8095%. Its absorption multiplier is 1.08× bread flour. At 95%, you are in the sweet spot — the dough will handle predictably and produce the crumb described above.

Absorption math for Medium Rye Flour at 95%

A recipe written for bread flour at 95% hydration, when substituted with 100% Medium Rye Flour, becomes 103% effective hydration (because Medium Rye Flour absorbs 8% more water). Do NOT knead rye dough (tears pentosan structure). Mix to incorporate, then rest. Very short bulk ferment (2-3 hours at 76°F) — rye ferments fast. Wet hands for shaping. Use a pan or tight banneton. Bake at higher initial temp (500°F) for 15 minutes, then reduce. Internal temp 205-210°F for doneness.

Technique at 95% hydration

Only expert bakers attempt this reliably. Requires olive oil (5%) in dough, stand mixer to develop structure, oiled work surfaces, bench scrapers throughout. Cannot be free-form shaped.

Calculator pre-set to 95%

Weights below assume 100% Medium Rye Flour. For blends, use the main calculator on a recipe page.

Flour to add
450 g
Water to add
425 g
Salt
10 g
Levain @ 100%
100 g
Total dough
985 g
Effective hydration
95%
How the math works

Total water = flour × hydration %. Your levain contributes 50 g flour + 50 g water — both count toward the totals. You add only the remainder as fresh flour and water.

Salt % is computed on total flour weight, not final-dough flour.

Open 95% hydration guide →

Sources: Central Milling — Organic Medium Rye specifications; Hamelman, Bread (3rd ed.); Robertson, Tartine Bread.