Ingredients
1000 grams flour blend (equal parts whole wheat flour and all-purpose flour)
1000 grams of filtered water
Instructions
Prepare the Flour Blend
Mix equal parts whole wheat flour and all-purpose flour.
Start the Starter
DAY 1: Whisk together equal parts of the flour blend and filtered water (120 grams each), then pour into a glass jar. Secure with paper towel and a rubber band. Use another rubber band to mark the starting level. Put in a warm spot. I put it outside because Florida weather is perfect most of the time, but if it is below 75° then you might want to store it in the oven with the light on, or near an appliance that stays warm.
DAY 2: Give it a stir. Pour the mixture into a bowl, whisk thoroughly, then return to a clean jar.
Feed the Starter
DAY 3: Start feeding the starter once a day. Pour 60g of starter into a clean bowl and add 60g of flour blend and 60g of filtered water. Whisk thoroughly and return to a clean jar. Store the discard for another use.
Try to feed the starter at the same time every day. In my case, nothing was happening after 7 days, so I started feeding the starter twice a day, and that did the trick.
DAY 8: The starter was doubling every day, and seemed ready, so I did a float test. Drop a tablespoon of starter into a bowl of water to see if it floats. If it does, you are ready to bake
Notes
To store the starter and slow down the process, refrigerate it and feed it once a week.