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Nutrient Additives and Plant Stimulators

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General Hydroponics GH pH Up - 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. The General Hydroponics pH Up (Base) is formulated using Potassium Hydroxide and Potassium Carbonate which a

$15.68

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

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

$24.49

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 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

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

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

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

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

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 Acid Mix (4-3-6) - 5 lb

A fertilizer blended specially for acid soil loving plants like rhododendrons, azaleas, hydrangeas, evergreen trees and shrubs, blueberries, raspberries and other plants that thrive in a low pH soil. To encourage lush flowers and fruit, apply Acid Mix in

Down To Earth Acid Mix (4-3-6) - 5 lb

$16.99

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

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

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

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

$17.99

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

Down to Earth Alfalfa Meal 5 lb

An excellent soil conditioner, Alfalfa Meal is a rich source of trace elements and natural growth stimulants. Recommended for all flowering shrubs and especially roses, Alfalfa Meal accelerates growth and promotes larger, more plentiful blooms. It is also

Down to Earth Alfalfa Meal 5 lb

$0.00

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

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

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

$15.49

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

NPK Industries NPK RAW Cane Molasses - 2 oz

RAW Cane Molasses is a highly concentrated, water Soluble micronized molasses that gives all the benefits of Liquid Molasses without all the mess.

NPK RAW Cane Molasses - 2 oz

$12.99

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