Optic Foliar SWITCH 24L is a foliar spray designed to promote flowering in plants. It works by preventing and combating stress factors that can delay the formation of blossom set. By using SWITCH during the first two weeks of flowering, you can encourage your plants to start blooming earlier and with tighter nodes. This will ensure that your plants develop more flower sites and maximi... https://www.hydroponicstown.com/fol-switch-24l-optic-foliar-switch-24l