Forever love / eadsad

A bunch of flowers that bought from shops may wither away in a few days. How to keep them bloom longer? A little change in flower vase could solve this problem-put some copper at the bottom of the vase. Germs in the water could compete with the plant and absorb the nourishment. However, copper could kill some germs or inhibit their growth. As a result, the flowers will bloom loner and bring you the feeling of beauty a few days more.