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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

$9.99

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 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

$10.32

Fish Head Farms Fish Sh!t Organic Soil Conditioner - 1 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 - 1 Liter

$130.00

$101.25

Fish Head Farms Fish Sh!t Organic Soil Conditioner - 500 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 - 500 ml

$75.00

$56.25

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

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

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 - 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

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

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

Mammoth P - 250ml

MAMMOTH P is an organically derived microbial inoculant for growing plants that maximizes phosphorus and micronutrient cycling to maximize bud growth, increase yield, and enhance plant health.

Mammoth P - 250ml

$49.00

Canna Canna Bio Boost 250mL

BioBOOST by BIOCANNA is a natural additive that promotes bigger blooms and stronger flavors in flowers to create a high-quality yield.

Canna Bio Boost 250mL

$35.20

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

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

Gaia Green Gaia Green Super Fly Insect Frass 3-1-2 - 750g

Super Fly Insect Frass is a fertilizer derived from the excreta of black soldier fly larvae. It is a renewable resource produced from pre-consumer food waste fed to fly larvae. Rich in essential nutrients.

Gaia Green Super Fly Insect Frass 3-1-2 - 750g

$15.99

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.

Maxicrop Liquid Fish 3-1-1 - 32oz

$15.99

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

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.

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.

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

Athena Athena CaMg - Gallon

Designed to supplement either of our 2-part liquid formulas. Some cultivars and growing conditions may require higher doses of Calcium, Magnesium, Iron and Nitrogen during heavy growth and development phases.

Athena CaMg - Gallon

$31.50

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.

Athena PK - Gallon

$31.50

Gaia Green Gaia Green Power Bloom, 20 kg

Power Bloom is a high phosphate fertilizer specifically formulated to support prolific flowering and fruiting. Excellent for root development and for all flowering and fruiting plants.

Gaia Green Power Bloom, 20 kg

$104.99