House & Garden Roots® Excelurator Silver, 500 MLThis is the flagship product of the House & Garden lineup for a reason. Roots Excelurator (formulated for hydroponic applications) provides vital nutrients to rooting systems while simultaneously preventing nutrient deficiency based plant disorders. It's packed with a proprietary blend of beneficial ingredients that enhance epic root production and root vigor, while still running clean in recirculating and highly oxygenated hydroponic systems. Using a