A phosphorous and potassium fertiliser in fine crystalline powder which is fully soluble in water. It is free of ammonium, chlorine and heavy metals. As Ag MKP is also free of nitrogen, it is suitable to be used with nitrogen fertilisers as well as for hydroponic and fertigation systems. Its low EC renders it ideal for foliar application, reducing the risk of scorching. Ag MKP is ideal for usage during flowering and fruit production stage. It can be used together with most water soluble fertilisers except those that contain soluble calcium and concentrated magnesium solutions.