It is recommended to use this fertilizer in the first two weeks belonging to the growth and flowering phases. However, can be used during the whole growing cycle and get amazing results. Furthermore, it is more efficient in conjunction with other brand fertilizers such as Tarántula and Piranha, since these products will nourish and make the root zone much healthier.As for the substrate, it is important to know that Voodoo Juice is completely suitable for hydroponic, coconut fibre, sphagnum moss or soil. And for the dosage, you should use a quantity of 2 millilitres for each litre of water in irrigation from the first week of the plant's life.