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Nutrient Additives and Plant Stimulators

Home / Hydroponic & Organic Gardening / Fertilizer and Plant Food / Nutrient Additives and Plant Stimulators

Plant Success Plant Success King Crab - 4 oz

Increase yields, maximize phosphorous solubility, and add life to the root zone! The active microbes in King Crab were specifically selected to increase the availability of nutrients during the vegetative stage and increase yields in the flowering stage.

Plant Success King Crab - 4 oz

$26.99

Athena Athena Stack - 32 Ounce

Stack is a natural plant nutrient made from kelp extract. The nutrients in Stack encourage healthy growth and flowering. Stack gives the plant tools to reach its full genetic potential.

Athena Stack - 32 Ounce

$70.00

Gaia Green Gaia Green Power Bloom, 2 kg

Power Bloom is a high phosphate fertilizer specifically formulated to support prolific flowering and fruiting. As a result, Power Bloom is our best fertilizer for root development and for all flowering and fruiting plants.

Gaia Green Power Bloom, 2 kg

$28.99

Down To Earth Down To Earth Citrus Mix 6-3-3 - 5lb

Specially formulated with primary and secondary plant nutrients plus selected micronutrients that promote lush new growth, abundant green foliage and bountiful blossoms and fruit.

Down To Earth Citrus Mix 6-3-3 - 5lb

$17.99

HYSHIELD - 1L

HYSHIELD tricks plants into thinking they are being attacked by pests and as a result of this perceived infestation the plants immune system goes into protective mode. This natural defense mechanism not only stimulates the plants immune system but also ke

$20.99

South Cascade Organics SLF-100 Qt

SLF-100 Enzymatic Formula 1 quart (32oz) bottle

$35.99

Down To Earth Down To Earth Rose and Flower Mix (4-8-4) - 5 lb

Down To Earth Rose & Flower Mix is outstanding for all types of roses, bulbs, flowering shrubs and even onions and garlic. Apply when planting new roses, bulbs and perennials and use throughout the season when new growth appears on existing plants.

Down To Earth Rose and Flower Mix (4-8-4) - 5 lb

$19.99

Fish Head Farms Fish Sh!t Organic Soil Conditioner - 250 ml

By introducing a wide variety of beneficial bacteria and microorganisms in to the rhizosphere, Fish Sh!t creates an optimal symbiotic relationship between plant and soil.

Fish Sh!t Organic Soil Conditioner - 250 ml

$45.00

$33.99

Canna Canna CalMag Agent 5L

CANNA CALMAG AGENT is a calcium and magnesium mineral nutrient designed to improve water quality for calcium sensitive systems, such as when using reverse osmosis water with a coco medium. Our CANNA CALMAG AGENT increases water hardness, without disruptin

Canna CalMag Agent 5L

$71.22

LOTUS Lotus Pro Series Carboflush - 9 oz

Lotus Pro Series Carboflush is designed to remove excess nutrient buildup stored within plants and medium, and acts as a catalyst for flushing your plants in their final stage of growth, while still providing the necessary components for microbial activit

Lotus Pro Series Carboflush - 9 oz

$15.99

LOTUS Lotus Pro Series Cal/Mag - 15 oz

Lotus Pro Series Cal/Mag is a premium source of the two most readily absorbed secondary nutrients, integral for balanced and healthy growth, essential for coco based grows.

Lotus Pro Series Cal/Mag - 15 oz

$15.99

LOTUS Lotus Pro Series Boost - 18 oz

Lotus Pro Series Boost is the turbo-charged secret weapon that leads to an unsurpassed size and density of flowers, while maximizing oil production for increased potency and taste.

Lotus Pro Series Boost - 18 oz

$29.99

Down To Earth Down to Earth Granular Humic Acid 5 lb

A highly concentrated source of humic acids ideal for use on fields, turf and vegetable gardens. Derived from the ancient remains of decomposed organic plant materials, humic acids enhance nutrient uptake and stimulate soil microbial life. Naturally occur

Down to Earth Granular Humic Acid 5 lb

$14.99

Plant Success Plant Success Great White Mycorrhizae 1 oz

The endo and ecto mycorrhiza, beneficial bacteria and trichoderma build a microbial system in and on plant roots which enhance water and nutrient uptake. Great White can be used in hydroponics, field agriculture or home gardening. It is best used as a see

Plant Success Great White Mycorrhizae 1 oz

$15.99

Canna Canna Bio Boost 1L

BioBOOST by BIOCANNA is a natural additive that promotes bigger blooms and stronger flavors in flowers to create a high-quality yield. BioBOOST enhances the rate plants absorb nutrients, and is to be used during the start of the blooming period. BioBOOST

Canna Bio Boost 1L

$105.80

Down to Earth Alfalfa Meal 5 lb

An excellent soil conditioner, Alfalfa Meal is a rich source of trace elements and natural growth stimulants. Recommended for all flowering shrubs and especially roses, Alfalfa Meal accelerates growth and promotes larger, more plentiful blooms. It is also

Down to Earth Alfalfa Meal 5 lb

$0.00

General Hydroponics GH pH Control Kit - 4 pc

General Hydroponics pH Control Kit contains 8 oz pH UP, 8 oz pH DOWN, 1 oz indicator and vial.

GH pH Control Kit - 4 pc

$22.75

General Hydroponics GH Ripen Quart

Ripen 0.5-7-6 promotes increased and abundant flowering with greater oil and fragrance production. Ripen is highly concentrated and provides macronutrients that are primarily responsible for flower and fruit growth. Ripen is a liquid nutrient that has bee

$44.96

Down To Earth Down To Earth Bone Meal (3-15-0) - 5 lb

A wonderful source of phosphorus and calcium for flowering plants, trees and ornamentals, Bone Meal is recognized as the ideal organic fertilizer when planting bulbs to promote strong root development and enhance early season growth. One of the indispensa

Down To Earth Bone Meal (3-15-0) - 5 lb

$18.99

BioAg BioAg Ful-Power Quart

Ful-Power will maximize your potential. It drives nutrients and minerals into the plant and results in healthier plants and tastier produce. It's a must have for any grower. Ful-Power golden humic is purified by a special fermentation-style extraction tha

BioAg Ful-Power Quart

$28.05

Maxicrop Maxicrop Liquid Seaweed - 1L

Maxicrop is a great choice for those who do not want to use synthetic rooting compounds or for those who want to feed their plants more than 70 minerals, vitamins, and enzymes. Maxicrop is extracted from Norwegian seaweed. This all natural product has a m

Maxicrop Liquid Seaweed - 1L

$14.99

Humboldt County's Own G10 - Qt

This product is made up of a proprietary kelp extract and is a "flower finisher." The claims however are extremely vague. Start using this from the 3rd week of flowering all the way to the end. Does not contain Plant Growth Regulators(PGRs)

Humboldt County's Own G10 - Qt

$60.81

Integra Boost Integra Boost 8g Humidiccant 55%

Integra Boost Humidiccant uses patent pending technology that releases or absorbs moisture, maintaining relative humidity in a contained environment at or about 55% relative humidity. Each individually wrapped Integra Boost packet includes a replacement i

Integra Boost 8g Humidiccant 55%

$0.99

General Hydroponics GH pH Down - Qt

For plants to grow their best, it's important that the nutrient pH be slightly acidic - the range of 5.5 to 6.5 is considered ideal for most crops. Our own pH Down is made with phosphoric acid. There are many pH down products on the market, but you get mo

GH pH Down - Qt

$15.99