Shiitake mushroom spent substrate blocks, 36 pieces

This is a block of spent mushroom substrate that was used for shiitake mushroom cultivation.
- Recommended for supplementing nutrients for rhinoceros beetle larvae.
- Can be used for both Japanese and foreign rhinoceros beetles.
- Can be used as a substitute for stag beetle spawning logs.
- Can be used in various ways, such as burying or mixing with substrate.
- It is possible to make fermented substrate with this product.
- Mixing into fields provides fertilizer and improves soil quality.

[Size]
- Approximately 20cm (height) x 12cm (width) (average)
- There may be slight variations.
[Quantity]
- 36 pieces
[Shipping Method]
- Will be shipped in a cardboard box, protected with newspaper.
- Small insects may be mixed in.
Thank you for your understanding.