I lack brown waste to add to my compost heap so have little heat.

Question

I add grass clippings which become very hot but cools within a couple of days, on turning it looks as though I have mold. Can I add sawdust for brown waste, my heap is too old.

Answer 1

Yes you can use sawdust and/or newspaper. These articles should help further:

https://www.gardeningknowhow.com/composting/ingredients/browns-greens-compost.htm

https://www.gardeningknowhow.com/composting/ingredients/what-can-you-compost.htm