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The Tumbling Composter is a speed compositor with rods or fins that mix and break up clumps to speed up decomposition. Speed com posters can reach a temperature of more than 140 degrees. This type of composting requires mixing a correct ratio of "brown" (carbon) and "green" (nitrogen) materials. Add water when necessary and turn the tumbler every 1-2 days to keep oxygen, nutrients, micro-organisms, and moisture evenly distributed throughout the developing batch. Within weeks, your Tumbling Composter will transform your scraps into valuable organic material.