Canna Iron is a concentrated base containing 0.06% Iron in the form of two chelates (Fe-EDDHAand Fe-DTPA) at 0.03%, which will be absorbed by the plant product quickly and easily. It may be used together with other fertilizers given to our plant, remaining stable at normal pH levels. Essential for marijuana, as it plays an important part in chlorophyll production, and regulating certain physiological processes of energy metabolism.