Black Garden Wool Pellets ~ 100% British Sheep WoolBlack Wool Pellets for Garden A great all round product for your garden. Fertilise your plants, retain water and deter slugs. Amount: 3. 5 Litres Product Weight: approximately 1. 4 kg Covers: 100g per 4 litres of soil for potted plants About the wool pellets The same as our standard pellets, but Black. These pellets are made here on our family farm, from nothing but 100% natural black native British sheep wool. The wool is first heat sterilised and