A common problem in worm composting is that the bin starts to heat up. Sometimes you shouldn’t be worried. But if it gets too hot, you have to do some changes.
Normally, a worm bin heating up is a good sign. This indicates that:
- there is decomposing process going on.
- Or the worms are digesting the compost.
One other reason why the bin might be heating up is because of items high in nitrogen. They tend to heat up really fast. For example: fresh lawn clippings.
If you have a thermometer, check the compost’s temperature. It should be between 40*F and 80*F. If it’s higher than that, then the bin is too warm.
Check the worms. Are they balling up? Worms balling up is a sign of stress.
But if they are crawling around in the bin, means that you shouldn’t worry about anything.
To cool it down:
- Removing the heat prone food.
- Allow more airflow in the bin. This helps to cool it down.
- In winter, you can put it outside. This will help. But don’t let it freeze. And in the summer, keep it inside somewhere cool.
- In extreme circumstances you can put a few ice cubes to cool the system down.