Make Straw Pasteurization Easier — and Much Less Messy If you've ever tried to pull a giant pile of hot, wet straw out of a pot, you already understand why this bag exists. 😂 Our reusable mesh pasteurization bag makes preparing straw for oyster mushroom cultivation easier, cleaner, and more manageable. Simply fill the bag with chopped straw, submerge it in hot water, pasteurize, then lift the entire bag out and allow the straw to drain. No fishing handfuls of soggy straw out of the pot. 🍄 Perfect for Oyster Mushroom Cultivation Use your pasteurization bag to prepare straw for: 5-gallon oyster mushroom buckets Other suitable oyster mushroom containers Small-scale mushroom cultivation Home mushroom growing projects One bag holds approximately enough straw for one to two 5-gallon buckets, depending on how tightly the straw is packed. How to Pasteurize Straw Chop your straw into manageable pieces. Fill the mesh bag with straw. Heat water to approximately 160–170°F. Completely submerge the bag of straw. Maintain the temperature for approximately 1–1½ hours. Carefully remove the bag and allow the straw to drain and cool completely. Once cooled, mix or layer the straw with your oyster mushroom spawn. Fill your prepared growing container and allow it to colonize. Do not add mushroom spawn while the straw is still hot. Allow it to cool completely before inoculating. Build a Simple Oyster Bucket Setup Pair your pasteurization bag with: Oyster mushroom spawn Micropore tape A clean 5-gallon food-grade bucket with fruiting holes It's a simple, inexpensive way to turn straw into fresh oyster mushrooms at home. What's Included 1 reusable mesh pasteurization bag Straw shown in product photos is for demonstration purposes only and is not included. Shipping Note Add-on item: Ships for $7 when purchased alone or free on orders over $18. .faq-section { margin-bottom: 2rem; } .faq-question { cursor: pointer; padding: 1rem; background: #a9d0a9; border-radius: 6px; margin-bottom: .5rem; font-weight: 600; transition: background .2s; } .faq-question:hover { background: #61ce70; } .faq-answer { display: none; padding: .8rem 1rem 1rem 1rem; background: #fff; border-left: 3px solid #7a9a45; border-radius: 4px; margin-bottom: 1rem; } document.addEventListener("DOMContentLoaded", function () { document.querySelectorAll(".faq-question").forEach(q => { q.addEventListener("click", () => { const answer = q.nextElementSibling; answer.style.display = answer.style.display === "block" ? "none" : "block"; }); }); }); What is a pasteurization bag used for? This mesh bag holds straw during hot-water pasteurization, making it easier to submerge, remove, drain, and cool the straw before inoculating it with mushroom spawn. What mushrooms can I grow using pasteurized straw? Pasteurized straw is commonly used for growing oyster mushrooms. How much straw does the bag hold? One bag holds approximately enough straw for one to two 5-gallon oyster mushroom buckets, depending on how tightly the straw is packed. What temperature should I use to pasteurize straw? We recommend maintaining the water at approximately 160–170°F during pasteurization. How long should I pasteurize the straw? Keep the straw submerged for approximately 1 to 1½ hours. Do I put the mushroom spawn in the bag during pasteurization? No. Only the straw is pasteurized. Mushroom spawn should be added after the straw has drained and cooled completely. Does the straw need to cool before I add spawn? Yes. Allow the straw to cool completely before adding mushroom spawn. Excessive heat can damage or kill the mycelium. Do I need to drain the straw after pasteurization? Yes. Lift the bag from the water and allow excess water to drain before inoculating the straw. Is the pasteurization bag reusable? Yes. Clean and dry the mesh bag after use and it can be reused for future pasteurization projects. Is straw included with the bag? No. The product includes one mesh pasteurization bag. Straw shown in the photos is for demonstration purposes only. What else do I need for an oyster mushroom bucket grow? You'll need oyster mushroom spawn, prepared straw, a clean food-grade bucket with fruiting holes, and supplies such as micropore tape for covering the holes during colonization. How much is shipping? This is an add-on item. It ships for $7 when purchased alone or free on orders over $18.
