Can you compost incense ash

Yes, wood ashes are good for compost. The black chunks of charcoal and the grey ashes offer to soils and soil food web members, such as plant roots, the macro-nutrients calcium, phosphorus and potassium and the micro-nutrients boron, copper, iron, manganese and zinc. Charcoal prompts compost and soil to be porous and to retain nutrients while wood ashes in general tend to increase compost and soil pH levels because of their 25 percent make-up with calcium carbonate measuring in alkaline ranges at 7.0.