Humboldt Bloom Natural is an ultra-concentrated organic bloom formula designed to give your plants the large phosphorus and calcium boost needed during the flowering period. It induces an immediate flowering response in flowering plants, encouraging multiple flowering sites. This 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.
NPK Ratio: 0-10-0
Available in: Quart | Gallon