Choose your answer before opening the explanation. This is a learning exercise, not a competency assessment.
During spawn run the compost bed is usually:
- 1 to 2 C warmer than room air
- The same as room air
- 5 C cooler than room air
- Unrelated to room air
See the answer and why
1 to 2 C warmer than room air DMR gives air 23 plus or minus 1 C and bed 24 to 25 C.

