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Nutrient Additives and Plant Stimulators

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

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

$7.96

Flex FLEX Liquid H202 (34% Hydrogen Peroxide) - 1 Gal

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

FLEX Liquid H202 (34% Hydrogen Peroxide) - 1 Gal

$21.99

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

$39.99

Real Growers Real Growers Recharge Single Stick Pack

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 Single Stick Pack

$2.95

Nectar For The Gods Nectar For The Gods One Shot 4 lb

One Shot is a soil amendment for super soil style gardening. One Shot is a blend of natural ingredients that are ground into fine powders and held together with a molasses binder in small pellets. The molasses activates and encourages microbial activity i

Nectar For The Gods One Shot 4 lb

$20.99

General Hydroponics GH Koolbloom 2.2 lb Pouch

Dry KoolBloom by General Hydroponics is a concentrated plant food supplement specifically formulated to promote intense and abundant flowering. It is designed to enhance the production of robust blooms as well as essential oils and fragrance in many flowe

GH Koolbloom 2.2 lb Pouch

$37.40

Monterey Monterey Epsom Salts (Magnesium Sulfate) - 4lb

Promotes bloom in roses and other flowering plants. Absorbed through the roots and foliage of plant to help plant produce chlorophyll.

Monterey Epsom Salts (Magnesium Sulfate) - 4lb

$16.19

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

$11.89

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 Insect Frass - 2lb

Down To Earth Insect Frass 3-1-2 is an excellent fertilizer with many of the same traits as bat guano and worm castings. Produced through sustainable insect farming raised on pre-consumer food waste collected from local grocery stores, produce distributor

Down To Earth Insect Frass - 2lb

$12.89

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

$13.99

Atami Atami Bloombastic 1.25 L/42.3 oz

The Bloombastic formula contains biological minerals in combination with biological stimulants to create a one of a kind nutrient additive specifically designed for the flowering and ripening of your plants. The unique combination of elements in Blombasti

Atami Bloombastic 1.25 L/42.3 oz

$240.89

Superthrive 4 oz

A vitamin and hormone solution that increases the overall health of your plants. Use it with your cutting concentrate to increase your success with cuttings and increase the survival rate of difficult transplants. Use SUPERthrive™ today and give your plan

Superthrive 4 oz

$13.81

Down To Earth Fish Bone Meal 4-12-0 - 50lb

A marine based alternative to traditional steamed Bone Meal and is great for flowering plants, trees, and shrubs. A great source of Phosphorus and Calcium, it contains a small amount of Nitrogen and is an ideal for new garden beds, perennials, and bulbs.

Down To Earth Fish Bone Meal 4-12-0 - 50lb

$62.99

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

$100.00

Cultured Biologix Cultured Biologix Dr. Root - 8oz

Dr. Root is a natural rooting inoculant that combines root growth promoting bacteria, endomycorrhizae, and aloe vera extracts to promote new root growth and root mass development.

Cultured Biologix Dr. Root - 8oz

$19.20

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

Power Si - 250 ml

The original, patented form of stabilized, bioavailable silica for plants. Often imitated never duplicated. Unlike other silica products, we work with the best possible silica matrix (patented) to enable superior absorption. Power Si is a proprietary m

Power Si - 250 ml

$75.00

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

Espoma Organic Bio-Tone Starter Plus 4-3-3 Plant Food Plus Mycorrhizae - 4lb

The Ultimate Starter Fertilizer with both Endo & Ecto Mycorrhizae

Espoma Organic Bio-Tone Starter Plus 4-3-3 Plant Food Plus Mycorrhizae - 4lb

$10.99

Down To Earth Down To Earth Blood Meal (12-0-0) - 5 lb

A high nitrogen source, our Blood Meal is guaranteed to promote rapid, green growth. A wonderful fertilizer for heavy feeders like corn, spinach, salad greens and garlic in the early spring, it also helps compost piles heat up and break down fast.

Down To Earth Blood Meal (12-0-0) - 5 lb

$24.09

Power Si Bloom- 500 ml

Power Si is a specialized quality enhancing flowering additive with bioavailable silica.

Power Si Bloom- 500 ml

$75.00

Canna Canna CalMag Agent 1L

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 1L

$19.01