Forced air is the way to go. In a greenhouse with fish you won't have dry-out issues.
Loads of publications on methane. One source of reprints from the 50's and 60's is here:
http://www.ush2.com/978-1-60322-031-6_detail_page.htm
Results 1 to 10 of 25
Thread: Compost heatHybrid View
Similar Threads
|