Formalin is not appropriate for growing mushrooms or mixing with raw materials meant for cultivation, as it is a chemical solution primarily used as a disinfectant and preservative, not safe for direct contact with consumable or agricultural materials.

⚠️ Risks and Concerns

• Formalin contains formaldehyde, which is toxic and can be harmful if used on substances intended for food production.
• Its use may contaminate mushrooms or raw materials, making them unsafe for consumption or further processing.

🏥 Safe Alternatives

• For mushroom cultivation, clean water, sterilized substrate, and specific mushroom growth supplements are recommended.
• Use products designed explicitly for agricultural or mycology purposes.

🩺 Recommendation

Consult a mycologist or an agricultural specialist for suitable and safe substances for mushroom growing and substrate preparation to avoid health hazards.

If you want, I can explain safer options for mushroom cultivation.