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Refrigerate poured plates if not using immediately — sealed plates at 35–40°F stay viable for 30 days
Eco-Conscious: Crafted with recycled materials and minimal resource usage
If you're unsure
a dedicated autoclave makes the workflow faster and more reliable
you're working with commercial-grade
Ultimate ½ Pint Substrate Jars (6-Pack) reishi Refrigerate poured plates if notUltimate Pint Substrate Jars (6 Pack) The Original BRF (Brown Rice Flour) PF Tek MethodPerfected Over 15 Years Still the fastest and easiest way to grow mushrooms, our Ultimate Pint Substrate Jars are built on the time tested PF Tek method using premium brown rice flour. With over a decade of refinement and thousands of satisfied growers, these jars remain a top choice for beginners and seasoned cultivators alike. Whats Inside Each Jar: Natural
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