1. Mix the 50g of flour with the 50g of mineral water (20-30 °
Rye flour should be produced within 3-5 months preferably complete (T110-T130) so that the yeasts and good bacteria are numerous. Fires older than a year and refined T45 style are often sterile without life and do not give good results.
The water must have the same temperature as your leaven to activate it, 20-30 ° C.