HY PRO STARTERPACK HYDRO A & BMost soils contain insufficient nutrients and trace elements. Both are very important for plants to achieve an exuberant growth and flowering. The liquid fertilizers of HY PRO are formulated in such a way that plants under all kinds of conditions will react optimally, during the growth and flowering phase. Content of the product; Rootsimulator 250 ml Spraymix 250 ml Hydro A & B 1 L PH 500 ml