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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 Grow. Micro, Bloom Bundle pH Perfect Base GMB picture

Advanced Nutrients Grow. Micro, Bloom Bundle pH Perfect Base GMB

$114.89



 Advanced Nutrients pH Perfect Bloom Plant Nutrient 500 mL picture

Advanced Nutrients pH Perfect Bloom Plant Nutrient 500 mL

$15.89



Advanced Nutrients 2450-15 Carboload Nutrient Additive - 4 Liter picture

Advanced Nutrients 2450-15 Carboload Nutrient Additive - 4 Liter

$54.00



Advanced Nutrients Sensi Cal-Mag Xtra Plant Nutrient, 1L 1 Liter litre picture

Advanced Nutrients Sensi Cal-Mag Xtra Plant Nutrient, 1L 1 Liter litre

$22.40



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

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

$19.89



Advanced Nutrients Rhino Skin Plant Nutrient Support and Potency Enhancer 250ml picture

Advanced Nutrients Rhino Skin Plant Nutrient Support and Potency Enhancer 250ml

$12.95



FoxFarm Soil Trio Nutrients Bundle, Big Bloom, Grow Big, Tiger Bloom Quart 32oz picture

FoxFarm Soil Trio Nutrients Bundle, Big Bloom, Grow Big, Tiger Bloom Quart 32oz

$50.03



Advanced Nutrients Sensi Cal-Mag Xtra Calcium Magnesium Iron supplement, 250 mL  picture

Advanced Nutrients Sensi Cal-Mag Xtra Calcium Magnesium Iron supplement, 250 mL

$11.48



Mills Complete Nutrient Line picture

Mills Complete Nutrient Line

$65.00



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

$32.99



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



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

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

$38.99



Hydroponic AeroGarden Compatible Nutrients 20-20-20 All Purpose Formula picture

Hydroponic AeroGarden Compatible Nutrients 20-20-20 All Purpose Formula

$8.95



Advanced Nutrients pH Perfect Sensi Grow Coco Part A+B Soil Amendments 1 L picture

Advanced Nutrients pH Perfect Sensi Grow Coco Part A+B Soil Amendments 1 L

$38.19



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

Advanced Nutrients pH Perfect Grow Micro Bloom Bundle Base Nutrients 1 L Liter

$47.20



HydroDynamics Clonex Clone Solution - Clone & Seedling Nutrient, 1 Quart picture

HydroDynamics Clonex Clone Solution - Clone & Seedling Nutrient, 1 Quart

$25.00



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



MASTERBLEND Official 4-18-38 Tomato & Vegetable Fertilizer BULK picture

MASTERBLEND Official 4-18-38 Tomato & Vegetable Fertilizer BULK

$13.99



General Hydroponics FloraBloom, 1 Quart picture

General Hydroponics FloraBloom, 1 Quart

$16.77



Remo Nutrients RN70010 Remo's 1L Supercharged Plant Nutrient Kit COMPLETE SYSTEM picture

Remo Nutrients RN70010 Remo's 1L Supercharged Plant Nutrient Kit COMPLETE SYSTEM

$139.50