Water Soluble Fertilizer Calculator

Mix the perfect fertilizer solution for your plants

Calculate the exact amount of water-soluble fertilizer needed for your tank or irrigation system. Supports various units and fertilizer purities.

Examples

See how to mix water-soluble fertilizer for different scenarios.

Standard Hydroponic Mix

Basic Hydroponic

Mix 200 ppm fertilizer in 100 liters of water using 100% pure fertilizer.

Target Concentration: 200

Concentration Unit: ppm (mg/L)

Tank Volume: 100

Volume Unit: Liters (L)

Fertilizer Purity (%): 100 %

Fertilizer Amount Unit: Grams (g)

Garden Tank in Gallons

Garden Application

Mix 150 ppm fertilizer in 50 gallons of water using 60% purity fertilizer.

Target Concentration: 150

Concentration Unit: ppm (mg/L)

Tank Volume: 50

Volume Unit: Gallons (gal)

Fertilizer Purity (%): 60 %

Fertilizer Amount Unit: Grams (g)

Large Scale Agriculture (kg)

Large Scale Agriculture

Mix 300 ppm fertilizer in 1000 liters of water using 80% purity fertilizer, result in kg.

Target Concentration: 300

Concentration Unit: ppm (mg/L)

Tank Volume: 1000

Volume Unit: Liters (L)

Fertilizer Purity (%): 80 %

Fertilizer Amount Unit: Kilograms (kg)

Imperial Units (lb)

Imperial Units

Mix 100 ppm fertilizer in 200 gallons of water using 90% purity fertilizer, result in pounds.

Target Concentration: 100

Concentration Unit: ppm (mg/L)

Tank Volume: 200

Volume Unit: Gallons (gal)

Fertilizer Purity (%): 90 %

Fertilizer Amount Unit: Pounds (lb)

Other Titles
Understanding Water Soluble Fertilizer Solution & Mixing Calculator: A Comprehensive Guide
Master the science of precise fertilizer mixing for optimal plant growth.

What is a Water Soluble Fertilizer Solution?

  • Definition and Importance
  • Types of Water Soluble Fertilizers
  • Benefits for Plants
Water soluble fertilizers are nutrients that dissolve completely in water, allowing for easy and uniform application to plants. They are essential for hydroponics, greenhouse, and precision agriculture.
Why Use Water Soluble Fertilizers?

Practical Examples

  • Mixing 200 ppm fertilizer for hydroponic lettuce.
  • Preparing a 1000 L tank for field irrigation.

Step-by-Step Guide to Using the Calculator

  • Input Required Data
  • Select Appropriate Units
  • Interpret the Results
Enter your target concentration, tank volume, and fertilizer purity. Select the units that match your system. The calculator will provide the exact amount of fertilizer to add.
Tips for Accurate Mixing

Usage Tips

  • Switching between liters and gallons.
  • Adjusting for fertilizer purity.

Real-World Applications of Fertilizer Mixing

  • Hydroponics and Greenhouse Systems
  • Field and Garden Applications
  • Research and Experimentation
This calculator is used by farmers, gardeners, and researchers to ensure plants receive the correct nutrients. It helps prevent over- or under-fertilization.
Application Scenarios

Application Examples

  • Preparing a solution for tomato seedlings.
  • Mixing fertilizer for a golf course lawn.

Common Misconceptions and Correct Methods

  • Purity vs. Total Weight
  • Unit Conversions
  • Mixing Order
Many users confuse the total weight of fertilizer with the weight of active ingredient. Always account for purity and use correct units. Add fertilizer to water, not the other way around.
Avoiding Mistakes

Common Mistakes

  • Using 60% purity fertilizer instead of 100%.
  • Converting gallons to liters for accuracy.

Mathematical Derivation and Examples

  • The Fertilizer Mixing Formula
  • Unit Conversion Factors
  • Worked Calculation Examples
The calculator uses the formula: Fertilizer (g) = [Target Concentration (mg/L) × Volume (L)] / [Purity (%) × 10]. For gallons, it converts to liters first. Results can be shown in grams, kilograms, or pounds.
Sample Calculations

Calculation Examples

  • Mixing 150 ppm in 50 gallons with 60% purity.
  • Mixing 300 ppm in 1000 L with 80% purity.