Hydration × flour
75% Hydration Medium Rye Flour
Open crumb with distinct holes of varying sizes. Moist, chewy, glossy cell walls. The classic Tartine country-loaf target.
Outside Medium Rye Flour's typical range (80–95%) — read below for handling
Is 75% hydration right for Medium Rye Flour?
Medium Rye Flour's workable hydration range is 80–95%. Its absorption multiplier is 1.08× bread flour. 75% is below Medium Rye Flour's typical range. The dough will be stiff and hard to fully develop. Consider moving up to 80% for better extensibility.
Absorption math for Medium Rye Flour at 75%
A recipe written for bread flour at 75% hydration, when substituted with 100% Medium Rye Flour, becomes 81% 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 75% hydration
The sweet spot for most hearth sourdough. Requires confident stretch-and-folds (3-4 sets). Wet hands essential for shaping. Cold retard improves handling and ear development during scoring.
Worked water math for a 500 g batch
| Medium Rye Flour | 500 g (100%) |
| Water | 375 g (75%) |
| Salt | 10 g (2%) |
Add your levain on top of these weights; the calculator below subtracts the flour and water it already contributes so the bench numbers land at 75% exactly.
What Medium Rye Flour gives you at 75%
At 75% hydration you can expect an open, custardy crumb with irregular holes and good chew. A slack, sticky dough: work with wet hands, use coil folds rather than aggressive stretches, give a full bench rest after pre-shaping, and shape decisively — hesitation lets it spread.
Medium Rye Flour at 75% — FAQ
How much water do I use for Medium Rye Flour at 75% hydration?
Multiply the flour weight by 0.75. For a 500 g batch of Medium Rye Flour that's 375 g water, plus about 10 g salt (2%). Medium Rye Flour absorbs 1.08× as much water as white bread flour, so it will feel a touch stiffer than the 75% number suggests.
Is 75% hydration right for Medium Rye Flour?
75% is below Medium Rye Flour's usual 80–95% range — the dough will be stiff and hard to develop. Move up toward 80% for better extensibility.
What crumb will Medium Rye Flour at 75% give me?
Expect an open, custardy crumb with irregular holes and good chew. Open crumb with distinct holes of varying sizes. Moist, chewy, glossy cell walls. The classic Tartine country-loaf target.
Is Medium Rye Flour at 75% beginner-friendly?
This hydration is rated intermediate. A slack, sticky dough: work with wet hands, use coil folds rather than aggressive stretches, give a full bench rest after pre-shaping, and shape decisively — hesitation lets it spread.
Calculator pre-set to 75%
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
- 325 g
- Salt
- 10 g
- Levain @ 100%
- 100 g
- Total dough
- 885 g
- Effective hydration
- 75%
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.
To bake this recipe you need
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The gear that makes the math work
A short, honest baking kit. The scale matters most — every weight on this page is in grams. The Dutch oven is what turns a good crumb into a great crust.
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Medium Rye Flour at every hydration level
Medium Rye Flour usually works between 80% and 95% hydration — drier gives a stiffer dough, wetter a slacker one. Tap a level for the technique, the absorption math and a calculator set to it.
| Hydration | Water per 500 g | For Medium Rye Flour |
|---|---|---|
| 55% | 275 g | Drier than usual |
| 60% | 300 g | Drier than usual |
| 65% | 325 g | Drier than usual |
| 70% | 350 g | Drier than usual |
| 72% | 360 g | Drier than usual |
| 75%this page | 375 g | Drier than usual |
| 78% | 390 g | Drier than usual |
| 80% | 400 g | In its range |
| 82% | 410 g | In its range |
| 85% | 425 g | In its range |
| 90% | 450 g | In its range |
| 95% | 475 g | In its range |