Top Booster by House&Garden is an excellent stimulator that works on a base of potassium, phosphorus and EDDHA-Fe chylate (iron). These elements are essential for the flowering phase. Thus, potassium drives the beginning of flowering, phosphorus stimulates the formation of the fruit and plays an important role in the respiration and assimilation of the plants, and finally, EDDHA-Fe chylate improves the coloration of the leaves.