... even involves complicated technicalities while using, which may request special training, or the improper application causes damage and death ... to care their favorite plants more easily, the Penshibao Company (PSB) develops a new concept of flower-caring, namely "Flossom ... problem! This kit includes: All Purpose Foliar Fertilizer (20 vials, 0.2ml/vial), Cold-resistance Fertilizer (10 vials, 5ml or 10 ...