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Hydroponic Nutrients

Home / Hydroponic & Organic Gardening / Fertilizer and Plant Food / Hydroponic Nutrients

Athena Athena Grow A - Gallon

A simple formula designed for the vegetative stage of growth and for non-flowering plants. Our careful balanced mineral ratios help facilitate optimal plant development including photosynthesis, healthy respiration, and robust stalk and root growth.

Athena Grow A - Gallon

$31.50

Athena Athena Grow B - Gallon

A simple formula designed for the vegetative stage of growth and for non-flowering plants. Our careful balanced mineral ratios help facilitate optimal plant development including photosynthesis, healthy respiration, and robust stalk and root growth.

Athena Grow B - Gallon

$31.50

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

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 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

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

Dyna Gro SUPERthrive Foliage-Pro Quart

Foliage-Pro tropical foliage concentrate has the 3-1-2 NPK ratio recommended by the Apopka Research Center in Florida for foliage production. The 3-1-2 ratio of NPK results in greater mineral uptake by foliage plants, reducing harmful salt build-up and el

SUPERthrive Foliage-Pro Quart

$27.56

Canna Canna Substra SW Vega A & B Set 5L

CANNA Substra Vega is a complete professional nutrient for the growing phase of plants that are grown in inert (such as rock wool) run-to-waste systems. SUBSTRA Vega is developed especially to fulfil the plantâ€™s needs optimally during this phase. Purch

Canna Substra SW Vega A & B Set 5L

$103.86

Canna CANNA Start .5 L

CANNA Start is a balanced one-part nutrient for seedlings and (rooted) cuttings. CANNA Start can be used on various substrates like coco pellets, jiffy plugs, seedmixes and most other propagation media, except re-circulating systems and clone machines. Pr

CANNA Start .5 L

$14.49

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

Athena Athena Fade - Gallon

Fade is a nitrogen-free finishing flush that provides your plants with the immobile nutrients they need (calcium and microelements) to ensure they don’t starve during the critical ripening stage.

Athena Fade - Gallon

$31.50

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

Athena Athena Pro Core - 10 lb Box

Provides baseline nutrition across all stages of plant growth. Nitrogen to assemble chlorophyll and amino acids. Calcium to build structure. Essential microelements to catalyze photosynthesis, enzyme production and a multitude of important plant processes

Athena Pro Core - 10 lb Box

$77.00

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 Bloom B - Gallon

We blend top of the line macronutrients and chelated micronutrients to achieve greater nutrient uptake ability across a wider pH range in any combination of grow method, water-type and media.

Athena Bloom B - Gallon

$31.50

Gaia Green Gaia Green All Purpose, 20 kg

All-Purpose is an excellent product for landscape and garden use. This fertilizer is an outstanding blend for all your fertilizing needs.

Gaia Green All Purpose, 20 kg

$102.99

Earth Juice Earth Juice Hi-Brix Molasses - Gal

72% Brix. Pure premium-grade unsulfured sugar cane molasses. A natural source of carbohydrates (sugars) and plant nutrients. For indoor & outdoor plants in soil or hydroponics. Highly recommended for brewing plant tea

Earth Juice Hi-Brix Molasses - Gal

$28.99

LOTUS Lotus Pro Series Carboflush - 18 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 - 18 oz

$27.95

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

Dyna-Gro Superthrive (Dyna-Gro) Grow - qt

Dyna-Gro formulas provide a balance of macro nutrients and 11 trace elements and minerals required for abundant growth and increased flowering. Used as counterparts, the Grow (7-9-5) and Bloom (3-12-6) formulas may be used in hydroponics or soil. Use for

Superthrive (Dyna-Gro) Grow - qt

$27.56

Dyna-Gro SUPERthrive (Dyna) Bloom - qt

Dyna-Gro formulas provide a balance of macro nutrients and 11 trace elements and minerals required for abundant growth and increased flowering. Used as counterparts, the Grow (7-9-5) and Bloom (3-12-6) formulas may be used in hydroponics or soil.

SUPERthrive (Dyna) Bloom - qt

$27.56

General Hydroponics GH pH Control Kit

General Hydroponics pH Control Kit contains 8 oz pH UP, 8 oz pH DOWN, 1 oz indicator and vial.

GH pH Control Kit

$22.75

Botanicare Botanicare PB PRO Bloom Soil gal

Designed specifically to be used in soil container gardens. When cultivating fruiting and flowering plants in soil, growers usually need to double or triple phosphorous levels, unlike hydroponics, thus making the 1-4-5 formula ideal for soil applications.

Botanicare PB PRO Bloom Soil gal

$74.53

$44.72

Canna Canna Coco A & B Set 5L

CANNA COCO is a line of nutrients and substrates which are specially developed for growing plants in coco. The first coco cultivation product line was CANNA's coco line. Nowadays it's the most popular growing product line for both professionals and hobbyi

Canna Coco A & B Set 5L

$121.10