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Bulk Vermiculite for Mushroom Cultivation








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Grade | Horticulture grade |
Improve moisture and nutrient retention!
This asbestos-free, odorless, horticulture-grade vermiculite provides superior moisture and nutrient retention when used as a substrate additive. It also allows for greater aeration, an essential component for larger flushes and faster colonization.
- A3 medium coarseness is ideal for mushroom cultivation, as it has greater water retention capacity and can be used for external casings.
- Ideal for use in cake-style, manure-based, and straw-based mushroom cultivation methods.
- A thin layer can be added to the base of a fruiting chamber to increase ambient humidity.
- OMRI Certified - product can be used in certified organic operations under the USDA National Organic Program.
⚠ CAUTION:
Avoid creating dust. Breathing dust may be harmful to your health. Use with adequate ventilation or with respiratory protection.
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- Skin contact: Repeated or prolonged contact may cause irritation. Wash off with soap and water.
- Eye contact: May irritate eyes. Flush eyes with generous amounts of water for at least 5 minutes.
- Inhalation: Upper respiratory irritant: May aggravate pre-existing respiratory conditions.
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Customer Reviews
5.0 Based on 1 Reviews
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JK
01/19/2025
Jason K.

I recommend this product
Love it
Great stuff
01/24/2025
North Spore
Jason, thanks so much for the great review, we so appreciate it!
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