acidic solution vase will cut preservative solution is acidic (Ph value of about 4-5 ) . Replacement of the acidic solution is a metal vase metal ions , the high concentration of metal ions , dissolved in the solution ,taipei florist, the performance of the plant toxin , the result is severe flower petals leaf burn and wilting . harmful elements for cut flower ( plant toxins ) a variety of metals can be made into a vase or basket of flowers. But very low levels of a variety of elements even in the case of fresh flowers will also cause damage , such as chlorine, boron, zinc , cadmium, copper and iron. High zinc Solution : If the acid solution was placed in the bucket zinc , zinc ion concentration in the solution will be increased to 160 mg / l , which can cause serious...