Economical way to make your own rich, dark compost in weeks. Compost accelerator, containing organic nutrients, to speed up the breakdown of organic garden and household material which might otherwise degrade very slowly. Use to re-cycle grass cuttings, weeds, leaves, vegetable matter, egg shells, shredded woody material etc to produce a rich dark compost. Apply as required. How to Use For compost heaps, alternate layers of compost material with Vitax Compost Maker. Keep the top of the heap warm and moist by covering the top with a polythene sheet. For compost bins and plastic sacks mix the Vitax Compost Maker with the material whilst filling the bins/sacks. Size 2.5Kg box.