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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 Bat Guano (7-3-1) - 2 lb

The undisputed champion of organic fertilizers, Bat Guano is rich in readily available Nitrogen, Phosphorus and micronutrients and provides essential plant nutrition for vigorous vegetative growth and early fruit and flower development. Bat Guano is fast

Down To Earth Bat Guano (7-3-1) - 2 lb

$18.99

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

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

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

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

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

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

$23.49

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

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

South Cascade Organics SLF-100 Qt

SLF-100 Enzymatic Formula 1 quart (32oz) bottle

$35.99

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

Canna CalMag Agent 5L

$71.22

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 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

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

General Hydroponics GH Ripen Quart

Ripen 0.5-7-6 promotes increased and abundant flowering with greater oil and fragrance production. Ripen is highly concentrated and provides macronutrients that are primarily responsible for flower and fruit growth. Ripen is a liquid nutrient that has bee

$44.96

BioAg BioAg Ful-Power Quart

Ful-Power will maximize your potential. It drives nutrients and minerals into the plant and results in healthier plants and tastier produce. It's a must have for any grower. Ful-Power golden humic is purified by a special fermentation-style extraction tha

BioAg Ful-Power Quart

$28.05

Rootwise Rootwise Bio-Phos Biological Bloom Support - 2 oz

A full-spectrum soil inoculant formulated with an emphasis on microbes which mobilize Phosphorus in all soils.

Rootwise Bio-Phos Biological Bloom Support - 2 oz

$45.00

Canna Canna Rhizotonic 1L **Best By Date 8/9/24**

CANNA RHIZOTONIC contains multiple vitamins and is 100% natural. RHIZOTONIC can be used regardless of the type of medium.

Canna Rhizotonic 1L **Best By Date 8/9/24**

$41.49

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

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

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

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

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