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Nutrient Additives and Plant Stimulators

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

Down To Earth Down To Earth Seabird Guano 0-11-0 - 5 lb

Use our high phosphorous Seabird Guano to dramatically increase both the amount and size of blooms throughout the flowering period for all indoor and outdoor plants. Seabird Guano greatly enhances beneficial bacterial activity in the soil, and because itâ

Down To Earth Seabird Guano 0-11-0 - 5 lb

$17.88

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.

Down to Earth Rock Phosphate 0-3-0 5 lb

$14.99

Real Growers Real Growers Recharge 8oz Bag

Stronger, healthier plants and roots, in 48 hours or less. Works great in traditional soil and soilless media. All the benefits of compost tea, with none of the mess.

Real Growers Recharge 8oz Bag

$34.99

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

$104.99

BuildASoil BuildASoil BIG 6 Micronutrients + Humic Acid - 100 Gram

We have done thousands of soil tests and over the years and we've noticed that our particular soils are usually very high in Iron but very low in manganese and 5 other Micro-nutrients like Boron, Cobalt, Copper, Molybdenum and Zinc!

BuildASoil BIG 6 Micronutrients + Humic Acid - 100 Gram

$20.00

Silica Earth Silica Earth Volcanic Silica Minerals Micronized Powder - 1lb

Silica Earth Volcanic Silica Minerals works great as a dry mineral additive for soil, coco, rockwool substrate applications, AND for mixing with liquid nutrients, compost tea and foliar. (*safe to use on or near plant roots.)

Silica Earth Volcanic Silica Minerals Micronized Powder - 1lb

$20.99

Flex FLEX Liquid H2O2 (34% Hydrogen Peroxide) - 1 Gal

Hydrogen Peroxide (H2O2 34%) is an excellent product for cleaning hydroponic equipment, materials and grow areas.

FLEX Liquid H2O2 (34% Hydrogen Peroxide) - 1 Gal

$39.99

Real Growers Real Growers Recharge 2oz Bag

Stronger, healthier plants and roots, in 48 hours or less. Works great in traditional soil and soilless media. All the benefits of compost tea, with none of the mess.

Real Growers Recharge 2oz Bag

$9.95

Real Growers Real Growers Grow Dots 75gram

Programmed release over the first 6 weeks of your grow cycle. High Nitrogen, for strong, vegetative growth. Phosphorus and Potassium, for stronger, healthier plant roots.

Real Growers Grow Dots 75gram

$9.99

PRO-MIX Premier Pro-Mix Organic Seed Starting Mix with MYCOACTIVE - 16qt

Formulated with quality approved-organic ingredients. Contains an organic fertilizer that gradually feeds plants. Provides easy plant-care for improved seedling performance. Ideal for germinating vegetables, flowers, herb seeds, as well as starting stems

Premier Pro-Mix Organic Seed Starting Mix with MYCOACTIVE - 16qt

$15.49

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

$20.99

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

$45.49

Rhizoflora Terpinator 1 Liter

Terpinator is formulated to increase the concentration of terpenoids in aromatic plant oils and glands. The unique composition of Terpinator provides the basic building blocks plants required to produce flavorful oils. By using naturally occurring plant a

Terpinator 1 Liter

$24.74

Down To Earth Down To Earth Kelp Meal 1-0.1-2 - 4 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.

Down To Earth Kelp Meal 1-0.1-2 - 4 lb

$33.99

BuildASoil BuildASoil Ocean Grown Blend and Trace Minerals - 1 lb

Smells like the ocean and provides all the inputs in 1 bag. Many growers used to think that "OG" meant "Ocean Grown" because of the phenomenal quality ocean based inputs can create.

BuildASoil Ocean Grown Blend and Trace Minerals - 1 lb

$20.00

Rootwise Rootwise Bio-Catalyst Enzyme Elixer - Pint

Rootwise Bio-Catalyst Enzyme Elixer utilizes organisms found in the Rootwise Mycrobe Complete along with select yeast and fungi cultures, enzymes are produced, extracted, and concentrated into a non-living liquid form.

Rootwise Bio-Catalyst Enzyme Elixer - Pint

$37.00

BuildASoil BuildASoil Horticultural Aloe - 1 oz

The Lignin's in Aloe Vera allow the plants to utilize the nutrient and moisture supply more efficiently with less stress on the plant.

BuildASoil Horticultural Aloe - 1 oz

$30.25

BuildASoil BuildASoil Quillaja Saponaria Extract Powder 20 - 2 oz

Wetting agent derived from sustainably harvested Quillaja branches in Chile, our extract is renowned for its unmatched purity in saponin content.

BuildASoil Quillaja Saponaria Extract Powder 20 - 2 oz

$25.00

Big Foot Big Foot Mycorrhizae Gold + Beneficial Bacteria 4 oz

Increases your plants’ nutrient and water uptake, reduce transplant shock and make your plants more drought-tolerant with improved root growth and fruit and flower yield – all naturally.

Big Foot Mycorrhizae Gold + Beneficial Bacteria 4 oz

$35.99

General Hydroponics GH CALiMAGic Calcium and Magnesium 2.5 Gal

CALiMAGic™ is a concentrated blend of readily available calcium and magnesium. It is formulated to assist fast growing plants by preventing secondary nutrient deficiencies.

GH CALiMAGic Calcium and Magnesium 2.5 Gal

$147.82

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.

Fish Sh!t Organic Soil Conditioner - 5 Liter

$299.00

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

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.

Athena Cleanse - Gallon

$49.00

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