I haven’t done rock dust, but i do add coffee grounds to th…
I haven’t done rock dust, but i do add coffee grounds to the compost. If you don’t drink a lot of coffee, Starbucks and other coffee shops give away their used ground for free.
I haven’t done rock dust, but i do add coffee grounds to the compost. If you don’t drink a lot of coffee, Starbucks and other coffee shops give away their used ground for free.