Root Excelurator from House & Garden is a fantastic root additive which is loved by top hydroponics growers all over the world! Promotes strong and rapid root development by providing the roots with everything they need to thrive. Helps prevent harmful diseases which can devastate a plants root system. Designed for use during the vegetative stage of growth. Strong roots allow for a larger and better quality final yield. Available in 100ml, 250ml & 500ml bottle.