Bio Rock is a unique blend of the highest quality organic fertiliser and is enriched with sedimentary soft rock phosphate and contains high levels of calcium. A highly concentrated natural product, Bio Rock also promotes faster, healthier, sustained growth for all plants.  Bio Rock contains NO added bone meal or any other animal remains.  This means your dogs will not dig up your plants, bonus!  AND it is an ideal planting option for organic vegan and vegetarian planting.