PH PERFECT® SENSI BLOOM PART B Give Your Plants Reliable Full-Bloom Nutrition pH-Perfect® Sensi Bloom is the two-part bloom base nutrients formula you can absolutely count on during your all-important bloom phase. Use pH-Perfect Sensi Bloom to give your valuable plants the solid foundation they need for rewarding floral development. Use pH-Perfect Sensi Bloom when you want the best from your high-value plants. If you follow the label directions, pH Perfect® Sensi Bloom Part B will keep the pH of your nutrient solution stable within a range optimal for nutrient uptake for one week. For optimal results, we recommend using reverse osmosis (RO) water or water up to approximately 100 ppm (EC 160 µS/ cm). This product is specially designed for use with diverse hydroponic growing media, including peat, rockwool, and expanded clay pellets, and all continuous liquid-feed growing systems such as aeroponics, drip irrigation and emitters, NFT, flood and drain, and deep water culture. And since it also contains our proprietary pH Perfect® Technology, eliminating the need for pH and ppm metering, pH Perfect Sensi Bloom Part B is an invaluable asset to your growroom.