As you embark on your sourdough journey, it’s essential to understand the basics of creating and maintaining a healthy sourdough starter. A starter is a mixture of flour and water that captures wild yeast and bacteria from the environment. On day 3, it’s common to see signs of fermentation, such as bubbles and rising, which indicate that the yeast is active and reproducing. If your starter hasn't doubled in size yet, don’t worry—it can take time for the wild yeast to establish itself. Feeding your starter regularly is key to its development. Typically, a feed includes discarding a portion of your starter and adding equal parts of fresh flour and water, which provides the necessary nutrients for the yeast. Using a new jar can help prevent contamination and make it easier to observe its growth. Naming your sourdough starter can add a personal touch to your baking experience. Consider names that reflect its characteristics or your journey with it. Don’t forget to keep track of your starter's development by taking notes and sharing updates with fellow baking enthusiasts online. Engaging with communities on platforms like Lemon8 or social media can provide valuable support and tips as you dive deeper into sourdough baking.