Mushroom Mulch
$3.00
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Made from hardwoods (apple, cherry, hickory, maple, and oak) + soy hulls + fresh well water. Use spent mushroom substrate (SMS) as mulch to suppress weeds + retain moisture or as soil amendment to add organic matter + structure. Cellar Mushrooms SMS is free from pesticides, fungicides, chemicals. This block was the food source for our culinary mushrooms grown in Vancouver, WA.
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