Quick Answer
Turning compost every 7-14 days is necessary for optimal results, allowing for oxygen exchange and preventing matting. This frequency helps maintain the ideal carbon-to-nitrogen ratio, promoting efficient decomposition. Regular aeration also minimizes odors and pests.
Monitoring Temperature and Moisture
When composting in a hot bin, temperature monitoring is crucial. Most compost piles will reach temperatures between 130°F and 140°F (54°C to 60°C), with peak temperatures of 150°F (65°C) or higher. To maintain optimal temperatures, it’s essential to monitor moisture levels, aiming for a mix of 60% “green” materials (food scraps, grass clippings) and 40% “brown” materials (dried leaves, shredded newspaper). Excess moisture can lead to anaerobic conditions and unpleasant odors.
Turning Techniques for Hot Bins
Turning compost in hot bins requires careful planning to avoid damage to the bin and its components. A general rule of thumb is to turn the compost every 7-14 days, with each turn involving a 90-degree rotation of the bin’s contents. This motion helps redistribute heat, ensuring that all materials are exposed to optimal temperatures and oxygen levels. For optimal results, turn the compost when the temperature reaches 130°F (54°C) and then again when the temperature drops below 100°F (38°C).
Find more answers
Browse the full Q&A library by topic, or jump back to the topic this question belongs to.