{"product_id":"mushroom-filter-discs-24-adhesive-cotton-pad-screens-humidity","title":"Mushroom Filter Discs 24-Pack – Adhesive Cotton Pad Screens","description":"\n\u003ch2\u003eMushroom Filter Discs – 24 Adhesive Cotton Pad Screens for Humidity Retention\u003c\/h2\u003e\n\u003cp\u003eKeep your mushroom growing environment perfectly balanced with these \u003cstrong\u003eMushroom Filter Discs\u003c\/strong\u003e. Each pack contains \u003cstrong\u003e24 adhesive cotton pad screens\u003c\/strong\u003e designed to help maintain optimal humidity and airflow inside your growing containers or jars — making every grow cycle more consistent and hands-off.\u003c\/p\u003e\n\n\u003ch3\u003eWhy You'll Love These Filter Discs\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReady-to-Use Adhesive Backing:\u003c\/strong\u003e Simply peel and stick — no tools, no fuss. The self-adhesive design ensures a secure, airtight seal every time.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBreathable Cotton Material:\u003c\/strong\u003e Made from soft, durable cotton, these discs allow just the right amount of gas exchange while helping to lock in moisture for healthy growth conditions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHumidity \u0026amp; Moisture Management:\u003c\/strong\u003e The fine cotton screen helps regulate internal humidity levels, reducing the need for constant manual intervention.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Versatile Size:\u003c\/strong\u003e Each disc measures approximately \u003cstrong\u003e2.95 inches (7.5 cm)\u003c\/strong\u003e in diameter — a great fit for standard mushroom grow jars, lids, and cultivation containers.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePack of 24:\u003c\/strong\u003e Generous quantity ensures you're stocked up for multiple grow batches or setups.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEasy to Use Indoors:\u003c\/strong\u003e Perfectly suited for home cultivation, indoor gardens, or grow tent setups.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Cotton\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 24 discs per pack\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDiameter:\u003c\/strong\u003e Approximately 2.95 in (7.5 cm)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBacking:\u003c\/strong\u003e Self-adhesive\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUse:\u003c\/strong\u003e Humidity retention, moisture preservation, indoor cultivation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003ePlease note: Due to manual measurement, a size difference of 1–2 cm may occur. Colors may vary slightly from images due to lighting conditions.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eGreat For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eMushroom cultivation jars and containers\u003c\/li\u003e\n  \u003cli\u003eIndoor grow setups requiring humidity control\u003c\/li\u003e\n  \u003cli\u003eDIY home gardening enthusiasts\u003c\/li\u003e\n  \u003cli\u003eHobbyist mycologists and beginners alike\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor more information on indoor mushroom growing best practices, visit the \u003ca href=\"https:\/\/www.nal.usda.gov\/\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eUSDA National Agricultural Library\u003c\/a\u003e for resources on home cultivation and food growing.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What are Mushroom Filter Discs used for?\u003c\/h4\u003e\n\u003cp\u003eA: Mushroom Filter Discs are adhesive cotton pad screens designed to cover openings on mushroom growing jars or containers. They promote healthy gas exchange while helping to maintain the internal humidity needed for successful mushroom cultivation indoors.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What size are these filter discs and how many come in a pack?\u003c\/h4\u003e\n\u003cp\u003eA: Each disc measures approximately 2.95 inches (7.5 cm) in diameter. Each pack contains 24 adhesive cotton filter discs, giving you plenty for multiple growing setups or grow cycles. Please allow a 1–2 cm variance due to manual measurement.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How do I apply the Mushroom Filter Discs?\u003c\/h4\u003e\n\u003cp\u003eA: The discs feature a self-adhesive backing — simply peel off the backing and press firmly onto the opening of your grow jar or container lid. The cotton screen material allows airflow while keeping contaminants out and humidity levels stable inside.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What are Mushroom Filter Discs used for?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Mushroom Filter Discs are adhesive cotton pad screens designed to cover openings on mushroom growing jars or containers. They promote healthy gas exchange while helping to maintain the internal humidity needed for successful mushroom cultivation indoors.\"}}, {\"@type\": \"Question\", \"name\": \"What size are these filter discs and how many come in a pack?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Each disc measures approximately 2.95 inches (7.5 cm) in diameter. Each pack contains 24 adhesive cotton filter discs, giving you plenty for multiple growing setups or grow cycles. 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