Feed it regularly with equal parts starter, water, and flour by weight
Keep it at room temperature if baking often
Refrigerate it if baking less frequently
Use clean jars and utensils
Discard some starter before each feeding
Stir it occasionally if it sits unfed for a while
Use filtered or dechlorinated water
Keep the jar loosely covered
Maintain a consistent feeding schedule
Adjust feeding frequency based on temperature and activity
Use fresh flour
Watch for mold, pink, orange, or foul odors
Refresh it with extra feedings if it becomes sluggish
Store a backup dried or frozen starter if desired