Ingredients CardCountry Sourdough Loaf6 loaves · about 5.4 kg Levain 115 gstoneground whole wheat flour115 gbread flour230 gwater115 gripe sourdough starter Dough 2320 gbread flour340 gwhole wheat flour155 gwhole grain rye flour1960 gwater, warmed or cooled to hit a 25 °C dough54 gfine sea salt Safety: Large batch: cool quickly in shallow containers or an ice bath, to below 5 °C within 6 hours, before refrigerating. (USDA FSIS)