A safe, efficient and economical way to disinfect your reservoir or feeding solution with 20 to 30 ppm ionic colloidal silver. The silver will suffocate any pathogen present in your feeding solution. As a bonus, the added colloidal silver will repair damaged cell walls and help promote new cell growth when it is broken down by micro-organisms in the soil or other media and taken up by your plants. The Silver nano-particles dramatically inhibit the growth of several species of fungi. It is extremely effective against pathogens and fungi that adversely diminish fruit and vegetable crops. Colloidal Silver is the purest organic elemental biocide readily available for plants. When absorbed into the plant systemically Colloidal Silver will boost immunity and speed up cell rejuvenation. Known as natures antibiotic, ionic colloidal silver will help maintain plant vitality and prevent disease in all stages of growth!