Tui Blood and Bone - - - 2.5kgTui Blood & Bone is an essential garden ingredient, promoting healthy plant growth and conditioning your soil to encourage earthworm and microbial activity, so your garden can perform at its peak. The addition of Tui Blood & Bone to your garden provides a natural source of nitrogen for healthy plant growth, and phosphorus for strong root development. Use throughout your garden to reap the rewards of thriving plants and healthy soil. N P K 7 4 0 TYPE: