Starting your first sourdough starter can be an exciting yet nerve-wracking experience. After two weeks of feeding and nurturing your levain, it's natural to wonder if it's ready for baking. One key sign to look for is the presence of bubbles throughout the starter, indicating active fermentation. The starter should have a pleasant tangy smell, neither too sour nor unpleasantly strong. When you feed it regularly and it doubles in size within 4 to 6 hours, it's a good sign that the yeast and bacteria are vigorous enough for baking. Personally, I found that maintaining a consistent feeding schedule was crucial. I fed my starter at room temperature every 12 hours, using equal parts flour and water by weight. Patience is essential because some starters take longer than others to develop strength. If your starter floats in water, often called the "float test," it usually means it's aerated and ready to leaven bread. Choosing the right flour for feeding also impacts starter health. I used unbleached all-purpose flour and occasionally tried whole wheat to increase microbial diversity. Keep your starter in a loosely covered container to allow airflow but prevent contaminants. Once your levain passes these readiness tests, you can confidently try baking your first sourdough bread. Remember that sourdough baking is as much art as science—experimentation and practice lead to better loaves. Enjoy the delicious journey of creating bread from your own natural levain!