Teach everyone how to make bread

Basic Sourdough Recipe Mix 325g @kingarthurbaking Bread Flour, 75g @kingarthurbaking Whole Wheat Flour, 300g water, and 70g levain. Let sit for 30 min. Added 7g sea salt. Let sit for 30 min. Followed by 6 coil folds separated by 30-45 min. Let sit for 30 min to finish bulk. Shaped and into fridge for 12 hrs. Bulk temp was 76-78F. Baked in @challengerbreadware at 500F covered for first 17 min. Lowered temp to 425F for 11 min uncovered. Lowered to 400F for last 12 min