House & Garden Roots Excelurator Available in 250ml, 500ml Roots Excelurator is the best and most powerful root stimulator available on the market today and is our top show-piece in the area of nutrients. This powerful root stimulator ensures the explosive growth of the roots, ridding the plant of brown sick roots and destroying root mould instantly. Roots Excelurator encourages rapid root development in the early stages of the plant?s growth and also acts as an effective guard against root disease in re circulating hydroponic systems. Roots Excelurator is a must have for every successful grower. Roots Excelurator has a very low dilution rate and ml for ml is the cheapest product of this type on the market. Mixing Rate: 0.3ml/1 litre