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Humboldt nutrients provide much-needed relief to your soil and give your plants a leading edge. 1000Bulbs.com has a wide selection for you to choose from, including Grow, Micro, Bloom, Royal Flush and Verde. With additional offerings of silicate additives, bacterial complexes and root stimulators, such as Structural Integrity S.I., Mayan MicroZyme and Humboldt Roots, you have a variety of options. We make it easy by providing you with the vegetative stimulators, bloom enhancers and plant washes needed to produce a robust harvest. 1000Bulbs.com has all the Humboldt hydroponics you need to grow your best crop yet. Not only do we offer the best customer support, but we have the largest stock and the lowest prices.