With this knowledge, you’re now equipped to try out coffee grounds in compost since they are easily available. You should at least consider running some experiments with it, composting, and mixing various materials. Just this little extra effort can save you some money and above all reduce urban waste in the little way it can.
Source: https://cannabisworld.biz/2022/06/21/should-you-dump-your-coffee-grounds-on-your-cannabis-plants/