Mix together and cover for 1hr at room temperature.

Place in fridge overnight

In mixer with dough hook, melt poolish into half of water.

Add flour and mix on low until dough is cohesive

Add salt, then remaining water while mixing on medium-high

Continue mixing for ~5 min until dough is non-sticky and can tug without shearing

Round and cover for 1 hr to rise

Split into 4 dough balls, round and rise for 1-2 hr