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Humboldt HMNB405 Master B...

2 stores Humboldt HMNB405 Master B Germination Kit, 32-Ounce (837654466612)
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Humboldt Nutrients Humboldt...

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3 stores Humboldt Nutrients Humboldt MMX405 Myco Maximum Germination Kit, 8-Ounce (HNMMX405)
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Humboldt HNMA405 Master A...

2 stores Humboldt HNMA405 Master A Germination Kit, 32-Ounce (837654466568)
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Humboldt HNK405 Sea Cal 32...

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3 stores Humboldt HNK405 Sea Cal 32 ounce Fertilizer (837654466827)
Sea Cal was designed for use on any type of vegetable, flower or herb. Adding Sea Cal to our...
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Humboldt Nutrients Humboldt...

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3 stores Humboldt Nutrients Humboldt HNOB405 Bloom Natural Germination Kit, 32-Ounce (HUMHNOB405)
This can produce a massive crop, a high quality yield and flavorful fruits. Derived from Soft Rock...
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Humboldt HR401 Roots 50...

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2 stores Humboldt HR401 Roots 50 Milliliter Fertilizer (837654417300)
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Humboldt HNP405 Prozyme...

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2 stores Humboldt HNP405 Prozyme Germination Kit, 32-Ounce
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Humboldt HNOG405 Grow Natural...

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3 stores Humboldt HNOG405 Grow Natural 32 ounce Fertilizer (837654466216)
Humboldt Nutrients Grow Natural is an ultra-concentrated natural grow formula. Designed to give...
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Humboldt MM400 Mayan...

$52.51
Rakuten.com Shopping Humboldt MM400 Mayan Microzyme 16-ounce Fertilizer
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Mayan MicroZyme is a bacterial- enzymatic concentrate full of microorganisms that can increase fertility while providing vital nutrients to all types of plants and crops. The micro-organisms present in Mayan MicroZyme (MMZ) mineralize nutrients, produce and regulate nitrogen, build organic matter in your soil, and can improve fertility and fruit yields by increasing nutrient uptake and availability. The micro-organisms in Mayan MicroZyme are dormant with a long shelf life because of the micro- encapsulating solution. When the concentrate is diluted in water and aerated, the micro- encapsulation dissolves and the micro-organism populations become active and increase in number. When brewed into a rich tea the Mayan MicroZyme cannot be matched by competing products. Due to the nature of this... Less
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Humboldt County's Own Purple...

$19.99
eBay Humboldt County's Own Purple Maxx Soil Or Hydro, Indoors Or Out.
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No dyes, no tricks, 100% organic! Works well in soil or hydro, indoors or out. Purple Maxx is a combination of organic compounds that not only encourage plants to stack their flowering sites closer together during early flower development, but also stimulate increased development later.
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Humboldt HNSI405 Structural...

$33.60
Rakuten.com Shopping Humboldt HNSI405 Structural Integrity 32-ounce Fertilizer
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This silicate additive is formulated to supply your root zone with the silicates your plants need to build strong, thick cell walls and cellular membranes. When your stalks are stronger you plant has the ability to hold heavier fruits and flowers, which means less time staking your plants for support and more overall production. Structural Integrity can be applied to all crops including: vegetable crops, row crops, field crops, trees, vines, ornamentals, gardens and landscaping. Add to fertilizer mix for plants growing in soil, potting mixes, soil-less rooting media and hydroponics. Structural Integrity can also be used in foliar sprays. Structural Integrity can be used by the indoor and outdoor home gardener for all varieties of plants, such as flowers, vegetables, herbs, trees, berries,... Less
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Humboldt WW20 White Widow...

$27.15
Rakuten.com Shopping Humboldt WW20 White Widow 2-ounce Fertilizer
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With White Widow the speed and aggressiveness of your plant's root development can be increased. It is common to see large, furry, bright white roots shooting out of the bottom of containers only a week after transplanting with the White Widow. If you can keep things healthy on the surface, Humboldt Nutrients White Widow will handle the situation underneath. Due to the nature of this product we do not accept returns.
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Humboldt HR410 Roots...

$56.79
Rakuten.com Shopping Humboldt HR410 Roots 250-milliliter Fertilizer
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Humboldt Roots is a highly concentrated organic root stimulant that expands the root zone during the critical growth stage. The soul of every plant resides in the roots. Many gardeners neglect this fact and concentrate on the visual aspects of their plants. Humboldt Roots was specifically designed to expand the root zone, resulting in larger yields through increased metabolism. Due to the nature of this product we do not accept returns.
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Humboldt HNV405 Verde...

$28.33
Rakuten.com Shopping Humboldt HNV405 Verde 32-ounce Fertilizer
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Vibrant greens and vigorous growth are what to expect with Verde. Used as a foliar or as a growth catalyst for all your favorite plants, Verde can initiate rapid growth for superior internal structures and lifelong plant health. This is a great blend for plants experiencing periods of accelerated growth. Some competing nutrient lines offer a (16-0-0) formula as a one-part grow fertilizer, but nitrogen alone cannot provide any plant with the proper nutrition for a healthy crop. Verde is a blend that contains high quality, cold pressed Ascophyllum nodosum seaweed, humic acid and pure Yucca extract. This unique product can increase root, stem and stalk structure, while boosting chlorophyll levels and protecting the health of your plant. Use Verde in conjunction with Humboldt Nutrients base... Less
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Humboldt WW40 White Widow...

$45.41
Rakuten.com Shopping Humboldt WW40 White Widow 4-ounce Fertilizer
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The mycorrhizal fungi in this product can help provide plant roots with greater access to water and nutrients in the soil. Mycorrhizal inoculants are crucial to sustaining a healthy, expansive root zone. Humboldt Nutrients is proud to launch our newest and most powerful soluble mycorrhizal, White Widow. White Widow is a mycorrhizal powder containing mycological spores. White Widow is a diverse, pure endomycorrhizal. The effectiveness of a soluble mycorrhizal inoculant relies heavily on two variables: the amount of spores in the product itself and the ability of that product to become soluble in water. White Widow is a super-fine powder which quickly and easily dissolves into water. With White Widow the speed and aggressiveness of your plant?s root development can be increased. It is... Less
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