DAVID GRAYS NPK Blue Special is a quick and effective fertiliser, which helps promote high yields to top quality flowers, fruit and vegetables.

Analysis:
Nitrogen 13.5%
Phosphorus 1.9%
Potassium 8.0%\
Calcium 2.6%
Copper 0.08%
Zinc 0.08%
Manganese 0.31%
Iron 0.4%
Magnesium 0.3%