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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 Rhino Skin Plant Nutrient Support and Potency Enhancer 1 L picture

Advanced Nutrients Rhino Skin Plant Nutrient Support and Potency Enhancer 1 L

$29.00



Advanced Nutrients Rhino Skin Plant Nutrient Support and Potency Enhancer 500ml picture

Advanced Nutrients Rhino Skin Plant Nutrient Support and Potency Enhancer 500ml

$19.95



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



Advanced Nutrients Sensi Cal-Mag Xtra Plant Nutrient, 500 mL picture

Advanced Nutrients Sensi Cal-Mag Xtra Plant Nutrient, 500 mL

$17.99



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 Bud Candy 500 ml, 1L,  flower booster bloom enhancer picture

Advanced Nutrients Bud Candy 500 ml, 1L, flower booster bloom enhancer

$17.99



MASTERBLEND 4-18-38 Fertilizer MASTER COMBO KIT (12.5 Pounds) picture

MASTERBLEND 4-18-38 Fertilizer MASTER COMBO KIT (12.5 Pounds)

$39.99



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 Sensi Grow A & B Set pH Perfect Nutrients 1L 1 liter picture

Advanced Nutrients Sensi Grow A & B Set pH Perfect Nutrients 1L 1 liter

$32.61



 Advanced Nutrients pH Perfect Grow Plant Nutrient 500 mL picture

Advanced Nutrients pH Perfect Grow Plant Nutrient 500 mL

$15.89



MASTERBLEND 4-18-38 Fertilizer Official MASTER BLEND ® COMBO KIT (2.5 Pounds) picture

MASTERBLEND 4-18-38 Fertilizer Official MASTER BLEND ® COMBO KIT (2.5 Pounds)

$23.99



Advanced Nutrients pH Perfect Bloom Plant Nutrient 1L picture

Advanced Nutrients pH Perfect Bloom Plant Nutrient 1L

$18.99



 Advanced Nutrients pH Perfect Bloom Plant Nutrient 500 mL picture

Advanced Nutrients pH Perfect Bloom Plant Nutrient 500 mL

$15.89



ADVANCED NUTRIENTS BIG BUD picture

ADVANCED NUTRIENTS BIG BUD

$290.99



Advanced Nutrients B-52 Fertilizer Booster  500 ml picture

Advanced Nutrients B-52 Fertilizer Booster 500 ml

$22.99



Advanced Nutrients B-52 Fertilizer Booster  1 Liter picture

Advanced Nutrients B-52 Fertilizer Booster 1 Liter

$32.99



6lb Kit Jacks 321 Hydroponic Fertilizer Nutrient Plant Food Grow Bloom General picture

6lb Kit Jacks 321 Hydroponic Fertilizer Nutrient Plant Food Grow Bloom General

$15.95



Advanced Nutrients Big Bud Liquid 500 ml and 1 Liter Bloom Booster Enhancer picture

Advanced Nutrients Big Bud Liquid 500 ml and 1 Liter Bloom Booster Enhancer

$22.00



Fox Farm Liquid Nutrient Trio Soil Formula Big Bloom Grow Big Tiger Bloom Pint picture

Fox Farm Liquid Nutrient Trio Soil Formula Big Bloom Grow Big Tiger Bloom Pint

$36.25



Advanced Nutrients pH Perfect Sensi Bloom Part A+B, 1 Liter each picture

Advanced Nutrients pH Perfect Sensi Bloom Part A+B, 1 Liter each

$34.00