Foxfarm, pt, big bloom, liquid plant food concentrate, natural & organic blossom builder, our special, micro brewed formula incorporates earthworm castings, bat guano & other high test organic ingredients that offer a full range of nutrients, Norwegian kelp improves nutrient uptake & increases yields, rock phosphate helps transfer energy from 1 part of the plant to another, which means bigger buds & more fragrant flowers, ideal for all flowering & fruiting plants, safe enough to use every time you water, intensifies flower fragrance, will increase essential oil production, which means stronger flavors in herbs, fruits, & vegetables, extends fruit & flowering season late into the year.