Optic Foliar SWITCH is a unique product designed to help plants transition smoothly from the vegetative growth stage to the flowering or fruiting stage. This 1-liter bottle is a convenient size for both home growers and commercial operations. SWITCH works by subtly influencing the plant's hormonal balance, signaling it to shift its focus from foliage production to flower or fruit deve... https://www.hydroponicstown.com/fol-switch-1l-optic-foliar-switch-1l