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70% hydration sourdough with 600g flour
The answer
For a 70% hydration sourdough with 600 g flour and 20% starter: weigh 402 g water, 120 g starter and 13 g salt.
| Ingredient | Grams | % of total flour |
|---|---|---|
| Flour | 600 g | 90.9% |
| Water | 402 g | 60.9% |
| Starter (100% hydration) | 120 g | 18.2% |
| Salt | 13 g | 2% |
| Total dough | 1,135 g |
Total flour 660 g and total water 462 g with the starter counted: 462 ÷ 660 = 70%.
How it is worked out
120 g of a 100% starter is 60 g flour and 60 g water. With it, the dough has 660 g of flour, so 70% hydration means 462 g of water in total. The starter already brings 60 g, so you add 402 g. Salt is 2% of the total flour.
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Questions people ask
How much water for 70% hydration with 600g flour?
402 g, with 120 g of a 100% starter counted in. Without a starter it would be 420 g.
How much starter for 600g flour?
This page uses 20% of the flour: 120 g. Change the starter in the calculator and the water is worked out again.
Does the page say how long to ferment?
No. It works out weights and ratios only. Follow your recipe for timings.