Get fresh sourdough starter and start enjoying delicious bread made at home! Instructions for using this sourdough starter can be found here. For best results, open and feed within 24-48 hours of receipt. What you’ll need: all-purpose flour, water INCLUDED IN THE BAG 1 Endless Fresh Sourdough Starter Culture. Instructions for using the sourdough culture are included and may be found here. INGREDIENTS AND ALLERGEN INFORMATION Endless Fresh Style Sourdough Starter Culture Ingredients Organic white wheat flour, live active cultures Endless Fresh Sourdough Starter Culture Allergen Information Manufactured in a facility that processes products containing gluten. Non-GMO HOW TO STORE YOUR STARTER CULTURE Store the starter culture in a cool, dry place until you’re ready to activate it. Use the starter culture by the date on the bag. SUPPLIES YOU'LL NEED Ingredients All-Purpose Flour Bottled Spring Water (Water Free of Chlorine and Fluoride) Equipment 1 Quart Glass Jar Butter Muslin Rubber Band Stainless steel / silicone / wood spoon