I have quite a lot of potting mix and compost, but no unused topsoil or similar. I do, however, have access to a large quantity of used cocopeat blocks (they were used to grow Courgettes, and before that eggplants)
Is it feasible to mix compost with the cocopeat from the cocopeat blocks and use that as a vegetable mix ? Should I add some slow release fertilizer granules to it as well ?
Not sure exactly what I want to grow yet, but they will be winter vegetables or leafy greens - which i'm going to throw into a .5m^2 plastic sandpit with holes drilled in the bottom.
(If the above is not feasible, I also have quite a lot of bark chips - I assume that mixing these with compost would not be as good ?)