If you want the biggest fruits and flowers, CANNA PK 13/14 is the right
product for you. CANNA PK 13/14 is a mixture of top quality nutritional
minerals that stimulate flowering. It’s easy to use and makes for high
yields. PK 13/14 is suitable for any growing medium. Furthermore, it only
needs to be applied once to the nutrient reservoir. If you do this at the
right moment, you will get astonishing results!