Grow More 7510 Hawaiian Bud and Bloom 5-50-17, 3-Pound Water soluble urea-free concentrate. Considered the world's best bloom formula in commercial agriculture. Can be used in both soil and foliar applications. 0.5 lbs dissolved in 100 gallons of water yields approx. 150 ppm of Phosphate. General Foliar Dosage: 1 tsp/gallon. Soil or Media Drench: 1 tbsp/gallon