{"id":30975,"date":"2026-06-10T18:45:04","date_gmt":"2026-06-10T18:45:04","guid":{"rendered":"https:\/\/royalgreenwholesale.com\/uncategorized\/mckennaii-xl-magic-mushroom-grow-bag\/"},"modified":"2026-08-19T13:15:05","modified_gmt":"2026-08-19T13:15:05","slug":"mckennaii-xl-magic-mushroom-grow-bag","status":"publish","type":"product","link":"https:\/\/royalgreenwholesale.com\/en\/paddoshop\/mushroom-growkits\/mysticfungi-growkits\/mckennaii-xl-magic-mushroom-grow-bag\/","title":{"rendered":"McKennaii XL Magic Mushroom Grow Bag"},"content":{"rendered":"<p>The <strong>McKennaii XL Mushroom Grow Bag<\/strong> contains a fully colonized substrate with <em>Psilocybe cubensis<\/em> mycelium and is immediately ready for the fruiting phase. This popular variety is known for its rapid development, strong mycelial growth, and compact flushes. Thanks to the fully colonized substrate, you do not need to inoculate, sterilize, or work with a spore syringe yourself.<\/p>\n<blockquote><p><strong>McKennaii is a potent <em>Psilocybe cubensis<\/em> variety known for its strong growth vigor, relatively fast development, and compact, dense flushes.<\/strong><\/p><\/blockquote>\n<p>McKennaii is often chosen by growers seeking a good balance between ease of use, growth speed, and yield potential. The species is more accessible than various demanding cubensis varieties, yet still requires stable conditions and a hygienic workflow.<\/p>\n<h2>What is the McKennaii Grow Bag?<\/h2>\n<p>This grow bag contains a nutrient-rich substrate that is fully colonized with healthy <em>Psilocybe cubensis<\/em> McKennaii mycelium. Consequently, the most sensitive steps of the cultivation process have already been completed, allowing you to start the next growth phase immediately.<\/p>\n<p>McKennaii is known for its strong growth vigor. Under suitable conditions, this variety can develop relatively quickly and form compact groups of fruiting bodies.<\/p>\n<h2>Why choose McKennaii?<\/h2>\n<p>McKennaii is often chosen by growers looking for a productive species with vigorous development. The variety combines a relatively accessible growing experience with the ability to develop dense flushes.<\/p>\n<ul>\n<li>Fully colonized substrate<\/li>\n<li>Ready for the fruiting phase<\/li>\n<li>No spore syringe or sterilization required<\/li>\n<li>Relatively fast and vigorous development<\/li>\n<li>Dense and compact flushes<\/li>\n<li>Strong mycelial growth<\/li>\n<li>Multiple flushes possible under suitable conditions<\/li>\n<\/ul>\n<p>This makes McKennaii an interesting choice for growers seeking more growth power than a classic beginner species, without immediately opting for a highly demanding variety.<\/p>\n<h2>Who is this grow bag suitable for?<\/h2>\n<p>The McKennaii grow bag is suitable for growers seeking a strong and productive cubensis variety with clear growth dynamics. Beginners can also work with this grow bag, provided that temperature, humidity, and hygiene are carefully monitored.<\/p>\n<ul>\n<li>Novice growers looking to take the next step<\/li>\n<li>Growers wishing to progress from classic beginner species<\/li>\n<li>Users who value compact and dense flushes<\/li>\n<li>Growers with a stable indoor environment<\/li>\n<li>Experienced growers seeking a versatile cubensis variety<\/li>\n<\/ul>\n<h2>Growth characteristics of McKennaii<\/h2>\n<p>McKennaii distinguishes itself primarily through its active growth character. Under stable conditions, the mycelium can develop vigorously, after which relatively dense groups of fruiting bodies can emerge.<\/p>\n<ul>\n<li>Relatively fast development<\/li>\n<li>Strong mycelial growth<\/li>\n<li>Dense and compact pinning<\/li>\n<li>Sturdy fruiting bodies<\/li>\n<li>Multiple fruiting bodies per flush possible<\/li>\n<\/ul>\n<p>Due to these properties, the emphasis for McKennaii lies mainly on growth vigor, smooth development, and compact flushes.<\/p>\n<h2>How do you use the McKennaii Grow Bag?<\/h2>\n<p>Since the substrate is fully colonized, you can start the fruiting phase immediately. Ensure a clean working environment and keep conditions as stable as possible.<\/p>\n<h3>Note: small cut under the air filter<\/h3>\n<p>Under the air filter of the grow bag, there is a small cut made by the manufacturer. This opening is intended to release excess CO\u2082 and pressure when the grow bag bulges during the cultivation process. This is normal and not a defect. You do not need to do anything about this, and the opening does not need to be taped off.<\/p>\n<p><strong>Click here:<\/strong> <span style=\"color: #0000ff\"><a style=\"color: #0000ff\" href=\"https:\/\/royalgreenwholesale.com\/wp-content\/uploads\/2026\/08\/MysticFungi_Full_English_Guide.pdf\">Mystic Fungi Manual<\/a><\/span><\/p>\n<ol>\n<li>Place the grow bag in a bright spot without direct sunlight.<\/li>\n<li>Maintain a stable temperature between approximately 20\u00b0C and 24\u00b0C.<\/li>\n<li>Ensure sufficient fresh air.<\/li>\n<li>Check the humidity regularly.<\/li>\n<li>Work cleanly and touch the inside of the bag as little as possible.<\/li>\n<\/ol>\n<p>For McKennaii, a good balance between humidity and air exchange is particularly important. Stable conditions support a uniform development of the fruiting bodies.<\/p>\n<h2>What can you expect during cultivation?<\/h2>\n<p>McKennaii can develop relatively quickly under suitable conditions. The species is known for its active mycelium and can form compact flushes where multiple fruiting bodies grow closely together.<\/p>\n<p>Under suitable conditions, multiple flushes are possible. The final yield depends on care, hygiene, temperature, humidity, and correct hydration between harvest rounds.<\/p>\n<p>Important factors for a successful grow are:<\/p>\n<ul>\n<li>A constant temperature<\/li>\n<li>Sufficient humidity<\/li>\n<li>Regular air exchange<\/li>\n<li>Careful and hygienic work<\/li>\n<li>Correct hydration between flushes<\/li>\n<\/ul>\n<h2>How does McKennaii compare to other species?<\/h2>\n<p>Within the <em>Psilocybe cubensis<\/em> range, McKennaii is known as a relatively vigorous grower with a good balance between speed and accessibility. The species is generally less demanding than various compact or albino-related varieties.<\/p>\n<ul>\n<li>More active and often faster development than Penis Envy<\/li>\n<li>Denser flushes than various large-fruited cubensis varieties<\/li>\n<li>More growth vigor than many classic beginner species<\/li>\n<li>More accessible growth character than various demanding albino lines<\/li>\n<\/ul>\n<p>The exact growth rate, shape, and yield may vary per cultivation. Temperature, humidity, air exchange, and the condition of the mycelium play a crucial role in this.<\/p>\n<h2>Practical cultivation tips<\/h2>\n<ul>\n<li>Always work with clean hands, clean surfaces, and clean equipment.<\/li>\n<li>Avoid direct sunlight on the grow bag.<\/li>\n<li>Avoid major temperature fluctuations.<\/li>\n<li>Ensure sufficient fresh air during the fruiting phase.<\/li>\n<li>Check the humidity regularly.<\/li>\n<li>Hydrate the substrate carefully between flushes.<\/li>\n<li>Harvest on time to properly support the next growth phase.<\/li>\n<\/ul>\n<h2>Safety and points of attention<\/h2>\n<p>Even with a vigorously growing species like McKennaii, hygiene remains essential. A clean environment helps limit the risk of contamination and supports healthy mycelial development.<\/p>\n<ul>\n<li>Disinfect hands, work surfaces, and tools beforehand.<\/li>\n<li>Avoid direct sunlight and environments that are too warm.<\/li>\n<li>Regularly check for abnormal colors or unwanted mold growth.<\/li>\n<li>Touch the substrate as little as possible.<\/li>\n<li>Use the grow bag only according to the included instructions.<\/li>\n<\/ul>\n<h2>McKennaii Contents<\/h2>\n<ul>\n<li><strong>Contents:<\/strong> 2200 ml<\/li>\n<li><strong>Variation:<\/strong> <em>Psilocybe cubensis<\/em> McKennaii<\/li>\n<li><strong>Phase:<\/strong> fully colonized<\/li>\n<li><strong>Harvest yield:<\/strong> up to 700 grams fresh weight<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>The McKennaii XL Mushroom Grow Bag contains a fully colonized substrate with Psilocybe cubensis mycelium and is immediately ready for<\/p>\n","protected":false},"featured_media":31034,"template":"","meta":[],"product_brand":[],"product_cat":[565],"product_tag":[],"class_list":["post-30975","product","type-product","status-publish","has-post-thumbnail","product_cat-mysticfungi-growkits","first","instock","taxable","shipping-taxable","purchasable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/royalgreenwholesale.com\/en\/wp-json\/wp\/v2\/product\/30975","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/royalgreenwholesale.com\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/royalgreenwholesale.com\/en\/wp-json\/wp\/v2\/types\/product"}],"version-history":[{"count":2,"href":"https:\/\/royalgreenwholesale.com\/en\/wp-json\/wp\/v2\/product\/30975\/revisions"}],"predecessor-version":[{"id":31164,"href":"https:\/\/royalgreenwholesale.com\/en\/wp-json\/wp\/v2\/product\/30975\/revisions\/31164"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/royalgreenwholesale.com\/en\/wp-json\/wp\/v2\/media\/31034"}],"wp:attachment":[{"href":"https:\/\/royalgreenwholesale.com\/en\/wp-json\/wp\/v2\/media?parent=30975"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/royalgreenwholesale.com\/en\/wp-json\/wp\/v2\/product_brand?post=30975"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/royalgreenwholesale.com\/en\/wp-json\/wp\/v2\/product_cat?post=30975"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/royalgreenwholesale.com\/en\/wp-json\/wp\/v2\/product_tag?post=30975"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}