Going to ground: how used coffee beans can help your garden and your health
98 days composting to remove growth stunting toxins. Too Easy.
I recall a cafe in Wollongong implementing an active style composting system for all their food waste (including coffee grounds) which sounded like a great idea: Turning tabouli into humus: composter scraps cafe waste | Illawarra Mercury
I wonder how it's going for them 18 months on?