Nutrient Additives and Plant Stimulators

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Down To Earth Down to Earth Rock Phosphate 0-3-0 5 lb
Down To Earth™ Rock Phosphate is essential for building soil phosphate levels for long-term plant productivity and for preventing calcium deficient soils.
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Down to Earth Rock Phosphate 0-3-0 5 lb
$14.99
Fish Head Farms Fish Sh!t Organic Soil Conditioner - 5 Liter
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.
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Fish Sh!t Organic Soil Conditioner - 5 Liter
$299.00
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.
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Plant Success King Crab - 4 oz
$26.99
Maxicrop Maxicrop Liquid Fish 3-1-1 - 32oz
Made from fresh Menhaden fish and has a guaranteed analysis of 3-1-1. The liquid is ready to dilute in water. Can be used as a foliar feed indoors or out or as a soil drench feed. Great for use on flowers, trees, lawns, fruits, and vegetables.
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Maxicrop Liquid Fish 3-1-1 - 32oz
$15.99
Athena Athena Balance - Gallon
Simple formula of potassium silicate specifically concentrated to buffer irrigation water and stabilize to ideal pH. Silicon additionally benefits plant growth, stem structure, stress reduction, water usage (osmoregulation), and nutrient utilization.
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Athena Balance - Gallon
$31.50
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.
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Athena Stack - 32 Ounce
$70.00
Athena Athena Cleanse - Gallon
Made from the ideal (and safe) root zone optimizing agents-Hypochlorous acid. This safe and mild acid is derived from salt and a proprietary electrochemical treatment process.
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Athena Cleanse - Gallon
$49.00
Athena Athena PK - Gallon
This clean liquid booster is designed to supplement during the mid- to late-flowering phase. Athena PK is a low Nitrogen booster that provides additional Phosphorus and Potassium that high-yielding plants require for maximal production.
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Athena PK - Gallon
$31.50
Rhizoflora GH Purpinator - 32 oz
Purpinator is a specialty nutrient additive formulated to deliver increased flavonoid, terpenoid, and resin production in your plants. In addition to these benefits, Purpinator will improve the coloration of plants with purple phenotypes. Much like its pr
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GH Purpinator - 32 oz
$25.63
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.
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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.
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Down To Earth Citrus Mix 6-3-3 - 5lb
$17.99
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Microbe Life Hydro Microbe Life Photosynthesis Plus, 16 oz
Photosynthesis Plus is a breakthrough in biology and biophysics once thought impossible to achieve. By driving and accelerating the processes that contribute to overall plant vigor, Photosynthesis Plus will accelerate your time to market while improving y
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Microbe Life Photosynthesis Plus, 16 oz
$22.99
$23.49
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
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HYSHIELD - 1L
$20.99
South Cascade Organics SLF-100 Qt
SLF-100 Enzymatic Formula 1 quart (32oz) bottle
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SLF-100 Qt
$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.
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Down To Earth Rose and Flower Mix (4-8-4) - 5 lb
$19.99
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
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Canna CalMag Agent 5L
$71.22
Xtreme Gardening Xtreme Gardening Azos 6 oz
Azos is a beneficial microbe that sparks new root development and boosts growth. Azos works by rapidly increasing plant production of IAA (indole-3 acetic acid)–a natural plant hormone, affecting cell division, growth rates and plant and root development.
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Xtreme Gardening Azos 6 oz
$35.08
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
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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.
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Lotus Pro Series Cal/Mag - 15 oz
$15.99
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
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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
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Plant Success Great White Mycorrhizae 1 oz
$15.99
Plant Success Plant Success Great White Mycorrhizae 8 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
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Plant Success Great White Mycorrhizae 8 oz
$81.49
Espoma Organic Bio-Tone Starter Plus 4-3-3 Plant Food Plus Mycorrhizae - 4lb
The Ultimate Starter Fertilizer with both Endo & Ecto Mycorrhizae
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Espoma Organic Bio-Tone Starter Plus 4-3-3 Plant Food Plus Mycorrhizae - 4lb
$10.99
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
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Canna Bio Boost 1L
$105.80