Humboldt brings you another great nutrient, Natural Bloom. Natural Bloom is an ultra-concentrated organic formula that is designed to give your plants a large phosphorus and calcium boost needed during the flowering period. It is highly effective and simply works to induce an immediate flowering response in flowering plants, encouraging multiple flowering sites. Users notice that this product produces a fuller crop, a higher quality yield and more flavorful fruits. Organically derived from soft rock phosphate and kelp, this is the highest quality and strongest premium organic base nutrient line available. Natural Bloom is a premium nutrient that will bring more buds and better blooms to your grow area! Quantity: 1 Quart.