Basic Fertilizer Advanced Hydroponics Dutch Formula Grow. Biomineral fertilizer rich in essential nutrients NPK (nitrogen, phosphorus and potassium). The Dutch Formula fertilizer line is three-component. Grow fertilizer is suitable for all types of growing media. For soil and soil fertilization, use half of the fertilizer than indicated on the label. Use the Dutch Formula Grow, Bloom and Micro together according to the dosage schedule of Advanced Hydroponics of Holland. For maximum yield, great taste and strong flowers, use a range of Advanced Natural Power fertilizers (Root Stimulator, Growth / Bloom Excellerator and Final Solution).