Additives

General Organics BioRoot Quart

General Organics BioRoot

General Organics

from $24.19

General Hydroponics General Organics Bio Root, Root Booster 1 Quart Product Premium Plant Nutrient BioRoot is a natural plant growth supplement th...

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from $24.19
General Organics BioRoot & BioBud Bundle

General Organics BioRoot & BioBud Bundle

HydroPros.com

from $44.36

Bio Bud provides flowering plants with minerals and amino acids. It encourages profuse and abundant flowering and fruit production. BioBud works in...

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from $44.36
General Organics Biothrive Bloom Quart

General Organics BioThrive Bloom

General Organics

from $22.79

General Hydroponics General Organics BioThrive Bloom 1 Quart Product Description Premium Plant Nutrient 2-4-4 BioThrive Bloom provides flowering an...

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from $22.79
General Organics BioThrive Grow Quart

General Organics BioThrive Grow

General Organics

from $22.79

General Hydroponics General Organics BioThrive Grow Plant Food 1 Gallon Product Description Premium Plant Nutrient 4-3-3 BioThrive Grow provides pl...

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from $22.79
General Organics BioWeed Quart

General Organics BioWeed

General Organics

from $22.29

General Organics Bio Weed Premium Plant Nutrient 0.2-0-0.3 1-gallon hydroponic plant nutrient solution functions as a vegetative and root stimulato...

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from $22.29
General Organics CaMg+ Gallon

General Organics CaMg+

General Organics

from $22.89

CaMg+ helps optimize plant nutrition resulting in enhanced growth and healthier flowers and fruits. CaMg+ is a blend of fermented calcium and magne...

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from $22.89
General Organics Diamond Black Quart

General Organics Diamond Black

General Organics

from $22.29

Diamond Black is derived from 100% pure Leonardite, a naturally occurring form of carbon drawn from prehistoric peat bogs. Diamond Black contains a...

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from $22.29
General Organics Go Box Starter Kit
Save 13%

General Organics Go Box Starter Kit

General Organics

$59.99
$52.49

A complete line of premium biological plant foods and supplements. A combination of time-tested ingredients of traditional agriculture with sustain...

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$59.99
$52.49
Save 13%
Green Planet Aussie Tonic

Green Planet Aussie Tonic

Green Planet Nutrients

from $30.99

Aussie Tonic is a complex and unique vitamin supplement and growth stimulator that encourages amazing results utilizing the latest that science has...

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from $30.99
Green Planet Nutrients Massive

Green Planet Nutrients Massive

Green Planet Nutrients

from $30.80

Massive is a unique blend of vitamins, minerals and growth stimulants. It is a high performance flowering additive with organic components derived ...

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from $30.80
Cal-Mag Magnesium Calcium Nutrients Additives Deficiencies Hydroponics

Green Planet Nutrients PRO-CAL Liter

HydroPros.com

$19.18

Pro-Cal is a highly beneficial calcium, magnesium and iron plant nutrient supplement. This recommended application rate normally is sufficient to m...

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$19.18
Grotek Blossom Blaster 20g

Grotek Blossom Blaster

Grotek

from $16.99

Blossom Blaster™ provides available phosphorus to improve root development and aid in blooming and fruiting. Potassium is instrumental in moving su...

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from $16.99
Grotek Blossom Blaster Pro Liquid 1 Liter

Grotek Blossom Blaster Pro Liquid

Grotek

from $34.99

A high phosphorous formula that triggers flower initiation and key metabolic processes by enhancing the plants own systems.  The nutrient ratios...

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from $34.99
Grotek Cal Max

Grotek Cal Max

Grotek

from $23.99

During periods of high temperatures and accelerated growth, plants can develop nutrient deficiencies, which are preventable. Cal-Max™ was develope...

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from $23.99
Grotek Final Flush  1 lt

Grotek Final Flush

Grotek

from $24.99

The Final Flush eliminates excess fertilizer salts in the final stages of growth and can also be used to correct overfeeding or for desalinization ...

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from $24.99
Grotek Final Flush Blueberry 1L

Grotek Final Flush Blueberry

Grotek

from $24.99

Final Flush™ is a flushing agent designed to correct overfeeding issues during crop production and also eliminate excess salts from the medium duri...

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from $24.99
Grotek Final Flush Grapefruit 1 L

Grotek Final Flush Grapefruit

Grotek

from $24.99

Final Flush™ is a flushing agent designed to correct overfeeding issues during crop production and also eliminate excess salts from the medium duri...

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from $24.99
Grotek Final Flush GreenApple 1 L

Grotek Final Flush GreenApple

Grotek

from $24.99

Final Flush™ is a flushing agent designed to correct overfeeding issues during crop production and also eliminate excess salts from the medium duri...

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from $24.99
Grotek Final Flush Pina Colada 4L

Grotek Final Flush Pina Colada

Grotek

from $24.99

During growth and production, plants may store excess fertilizer salts in their tissues which can leave fruits and vegetables with a bitter flavor....

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from $24.99
Grotek Final Flush Strawberry Liter

Grotek Final Flush Strawberry

Grotek

$25.99

Final Flush™ is a flushing agent designed to correct overfeeding issues during crop production and also eliminate excess salts from the medium duri...

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$25.99
Grotek Monster Bloom 20g

Grotek Monster Bloom

Grotek

from $15.99

Monster Bloom™ has gained a reputation for its ability to assist plants during the middle stages of flower development and increase the overall har...

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from $15.99
Grotek Monster Grow 20g (New Formula)

Grotek Monster Grow (New Formula)

Grotek

from $15.99

The new Monster GrowTM Pro is a powerful supplement designed to enhance your existing fertilizer program during the vegetative and pre flowering st...

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from $15.99
Grotek Pro Silicate 1L

Grotek Pro Silicate

Grotek

from $25.99

Pro-Silicate is a nutritional silicate additive containing potassium and silicon. It helps keep the plants upright, positioning the leaves correctl...

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from $25.99
Grotek Solo Tek Bloom, 1L

Grotek Solo Tek Bloom

Grotek

from $1,132.50

  SOLO-TEK by Grotek is a complete, soil/soilless, revolutionary organic-based nutrient system. It is a scientifically-designed one-part nutrient s...

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from $1,132.50