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Nutrient Additives and Plant Stimulators

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

Rhizoflora Purpinator 1 Gallon

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

Purpinator 1 Gallon

$85.48

Rhizoflora 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

Purpinator - 32 oz

$25.63

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

Down To Earth Down To Earth Fish Bone Meal - 5 lb

Fish Bone Meal is a marine based alternative to traditional steamed Bone Meal and is wonderful for all flowering plants, trees and shrubs. A great source of phosphorus and calcium, Fish Bone Meal also contains a small amount of organic nitrogen and is an

Down To Earth Fish Bone Meal - 5 lb

$17.20

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

Microbe Life Photosynthesis Plus, 16 oz

$22.99

$22.99

Plant Success Plant Success King Crab - 32 oz

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

Plant Success King Crab - 32 oz

$59.99

Plant Success Plant Success Orca - 16oz

Premium Liquid Mycorrhizae with Beneficial Bacteria. Orca is a highly concentrated LIQUID mycorrhizal and beneficial bacteria product. It brings together 4 highly effective endo mycorrhizal species with 14 super effective bacteria strains. This all-in-one

Plant Success Orca - 16oz

$42.49

Earth Juice Earth Juice Hi-Brix Molasses - Gal

72% Brix. Pure premium-grade unsulfured sugar cane molasses. A natural source of carbohydrates (sugars) and plant nutrients. For indoor & outdoor plants in soil or hydroponics. Highly recommended for brewing plant tea

Earth Juice Hi-Brix Molasses - Gal

$28.99

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

$17.99

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

Fish Head Farms Fish Sh!t Organic Soil Conditioner - 120 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 - 120 ml

$26.50

$19.99

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.

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

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

LOTUS Lotus Pro Series Carboflush - 18 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 - 18 oz

$27.95

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

$14.99

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

Plant Success Great White Mycorrhizae 8 oz

$77.51

Plant Success Plant Success Great White Mycorrhizae 4 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 4 oz

$43.08

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 Down to Earth Neem Seed Meal 5lb

Neem Seed Meal is produced during the extraction of oil from the seed of the Indian Neem tree (Azadiracta indica). It is an excellent way to strengthen root systems, improve plant immunity and balance nutrient levels in the soil. Neem Seed Meal can be mix

Down to Earth Neem Seed Meal 5lb

$25.99

Down To Earth Down To Earth Kelp Meal - 5 lb

Down To Earth Kelp Meal is pure Ascophyllum nodosum seaweed from the clean, cold waters of the North Atlantic Ocean. Hand-harvested, carefully dried and finely milled, our Kelp Meal is a rich natural source of Potash and is ideal for early Spring or Fall

Down To Earth Kelp Meal - 5 lb

$37.59

General Hydroponics GH pH Control Kit

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

GH pH Control Kit

$22.75