(root feed - base nutrient) UNI-ONE is a revolutionary, one-bottle SOLUTION to feeding your plants. UNI-ONE is the most powerful, and complete grow & flower nutrient that AUTOMATICALLY ADJUSTS its NPK ratio to match the need of your plants – in real time! Unrivalled power! UNI-ONE is 30-50% stronger than a regular 1-part, 2-part or even 3-part nutrient system – so you get more nutrient for your money, as well as, gaining a real 15% - 30% increase in yield compared to other nutrient programs. Simplicity – ONE BOTTLE DOES IT ALL – Root, Grow & Flower. With UNI-ONE you are... ONE & DONE!