Bio Rhizotonic is an OMRI listed, powerful, algae based, vegetative stimulator for roots of fast-growing plants that already have roots or root initials. Rhizotonic stimulates further root development, increases the plants resistance to disease and promotes its inner and outer strength. Rhizotonic is naturally sourced and contains multiple vitamins. Using Bio Rhizotonic will improve plants that are unhealthy or poorly developed. For this reason Bio Rhizotonic is an ideal remedy for stressed plants such as cuttings during re-potting. Bio Rhizotonic is best suited for run to waste or hand watering. You can even spray Rhizotonic on the leaves and it can also be used as a simple means for raising the pH level in your nutrient mix.