B3 is a perfectly balanced Flower Fertilizer that works best applied as a top dress. We have seen 2% increases in Terpenes using B3 in small amounts weekly. Bountea Better Bloom is a specialty bloom fertilizer naturally formulated to help plants produce exceptional flowers and fruits. It is an essential ingredient of the Bountea Growing system. It is a natural source of Phosphorous and Potassium promoting flowering and fruiting of plants. B3 is a natural and organic alternative to synthetic fertilizers. Use as a soil drench or top dress when plants are beginning to bud or when you want them to.