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Hydroponic Nutrients

Hydroponic System DiagramMany hydroponic formulas have been developed over the past 40 years with some designed for specific plants while others are designed for general hydroponic gardening. For plant growth, the concentration of individual elements must stay within certain ranges that have been determined through scientific experimentation.

The average concentration of these elements should fall within these parameters:

  • Nitrogen (nitrate form) 70 -300 PPM
  • Nitrogen (ammonium form) 0 -31 PPM
  • Potassium 200 -400 PPM
  • Phosphorous 30 -90 PPM
  • Calcium 150 -400 PPM
  • Sulfur 60 -330 PPM
  • Magnesium 25 -75 PPM
  • Iron .5 -5.0 PPM
  • Boron .1 -1.0 PPM
  • Manganese .1 -1.0 PPM
  • Zinc .02 -.2 PPM
  • Molybdenum .01 -.1 PPM
  • Copper .02 -.2 PPM

*PPM = parts per million

Hydroponic Nutrient Mixes

A gardener can purchase all of these minerals separately and mix their own hydroponic fertilizer. Unfortunately, the fertilizers that make up a hydroponic formula aren't sold as pure nitrogen or pure potassium, so it gets more complex. They are sold as chemical compounds, such as calcium nitrate, potassium nitrate, magnesium sulfate, potassium sulfate and mono potassium phosphate.

Since there are many dependable pre-mix hydroponic formulas available, it is generally more efficient and more economical to use a proven formula that contains all of the above mentioned nutrients in the correct quantities for plant growth. one that you simply add to water.

Whether you are using a pre-mixed formula or creating your own" it is important to follow these guidelines:

  • Weigh or measure the nutrients carefully.
  • Place the nutrients in separate piles or containers to be sure the proportions make sense.
  • Be sure no components are left out or measured twice.
  • Accuracy should be within 5 %.
  • When you are sure the proportions are correct, pour your nutrients into the water in the mixing containers and stir vigorously. Nutrients will dissolve best in warm water.
  • Measure the nutrient concentration level and record it.

Listed below are a variety of nutrient mixes to get you started, you can also read through our Getting the Best out of your Nutirents article for some great tips on where to start and how much to spend.

(nutrient,nutrients)

ADVANCED NUTRIENTS Big Bud Coco Bloom Booster 1 Liter picture

ADVANCED NUTRIENTS Big Bud Coco Bloom Booster 1 Liter

$29.95



VIVOSUN Nutrients Base A(4-0-1) B(1-4-2) Bundle Fertilizer for Hydroponic Plant picture

VIVOSUN Nutrients Base A(4-0-1) B(1-4-2) Bundle Fertilizer for Hydroponic Plant

$16.14



X Nutrients pH Up/Down Set (1 Quart each) picture

X Nutrients pH Up/Down Set (1 Quart each)

$29.95



FoxFarm Liquid Nutrient Soil Trio: Big Bloom, Grow Big, Tiger Bloom - 32oz picture

FoxFarm Liquid Nutrient Soil Trio: Big Bloom, Grow Big, Tiger Bloom - 32oz

$68.99



Advanced Nutrients Grow Micro Bloom pH Perfect Bundle Set Combo Base Nutrient 4L picture

Advanced Nutrients Grow Micro Bloom pH Perfect Bundle Set Combo Base Nutrient 4L

$114.79



Advanced Nutrients Grow, Micro, Bloom Bundle pH Perfect Base GMB 1 Liter picture

Advanced Nutrients Grow, Micro, Bloom Bundle pH Perfect Base GMB 1 Liter

$38.89



Humboldt Nutrients - Grow - Quart - Base Nutrient Program - 2-1-6 picture

Humboldt Nutrients - Grow - Quart - Base Nutrient Program - 2-1-6

$20.95



FoxFarm Big Bloom Organic Liquid Nutrient Plant Fertilizer, 32oz (1 Bottle) picture

FoxFarm Big Bloom Organic Liquid Nutrient Plant Fertilizer, 32oz (1 Bottle)

$22.99



Fox Farm Big Bloom 1 Quart 32 oz organic nutrients hydroponics picture

Fox Farm Big Bloom 1 Quart 32 oz organic nutrients hydroponics

$21.47



Advanced Nutrients pH Perfect Bloom Plant Nutrient 1L picture

Advanced Nutrients pH Perfect Bloom Plant Nutrient 1L

$18.99



Spirulina Nutrient Growth Media Kit 1 Gallon *Just Add Water* *Nutrients Only* picture

Spirulina Nutrient Growth Media Kit 1 Gallon *Just Add Water* *Nutrients Only*

$13.99



 Advanced Nutrients pH Perfect Grow Plant Nutrient 500 mL picture

Advanced Nutrients pH Perfect Grow Plant Nutrient 500 mL

$15.89



Emerald 3-PART NUTRIENT SERIES - Micro/Grow/Bloom QUARTS picture

Emerald 3-PART NUTRIENT SERIES - Micro/Grow/Bloom QUARTS

$48.50



Advanced Nutrients Starter Kit Achieves Heavy, Potent, Flavorful Yields picture

Advanced Nutrients Starter Kit Achieves Heavy, Potent, Flavorful Yields

$169.50



TPS Nutrients Bloom Bud Builder & Flower Hardener Plant Nutrient and Supplement picture

TPS Nutrients Bloom Bud Builder & Flower Hardener Plant Nutrient and Supplement

$99.17



FoxFarm Soluble Nutrient Trio: Open Sesame, Cha Ching & Beastie Bloomz - 6 oz picture

FoxFarm Soluble Nutrient Trio: Open Sesame, Cha Ching & Beastie Bloomz - 6 oz

$49.99



Advanced Nutrients Revive Plant Nutrient, 500 mL picture

Advanced Nutrients Revive Plant Nutrient, 500 mL

$23.89



FoxFarm Tiger Bloom Liquid Nutrient Plant Fertilizer, 32oz (1 Quart Bottle) picture

FoxFarm Tiger Bloom Liquid Nutrient Plant Fertilizer, 32oz (1 Quart Bottle)

$23.48



Cyco Platinum Series Complete Nutrient Pro Package  Eleven-1 liter Jugs picture

Cyco Platinum Series Complete Nutrient Pro Package Eleven-1 liter Jugs

$398.00



Set Of 2pcs Hydroponic Nutrients, Organic Plant Food, A & B Liquid Fertilizer picture

Set Of 2pcs Hydroponic Nutrients, Organic Plant Food, A & B Liquid Fertilizer

$11.21