The PlantGuy Hydroponic 3-Part Nutrient Kit

The PlantGuy Hydroponic 3-Part Nutrient Package provides everything you need to create a complete, balanced nutrient solution for hydroponic growing systems.

This professional-grade system includes Hydroponic Fertilizer 6-11-31, Calcium Nitrate, and Magnesium Sulphate, supplying all essential macro and micronutrients required for healthy plant growth.

Designed for use in NFT, DWC, Dutch bucket, drip irrigation, and other hydroponic systems, this nutrient combination promotes vigorous growth, strong root development, and optimal nutrient uptake.

All nutrients are fully water soluble and dissolve quickly for easy mixing and consistent results.

Included in the Kit

Hydroponic Fertilizer 6-11-31 (250 g)
Provides balanced phosphorus, potassium, magnesium, sulfur, and essential micronutrients needed for strong growth and plant health.

Calcium Nitrate (250 g)
Supplies readily available calcium and nitrogen to support cell wall development, plant structure, and rapid vegetative growth.

Magnesium Sulphate (125 g)
Provides magnesium and sulfur, critical components for chlorophyll production and efficient photosynthesis.

Key Benefits

✔ Complete hydroponic nutrient system
✔ Fully water soluble for fast mixing
✔ Includes essential micronutrients
✔ Ideal for vegetables, herbs, and leafy greens
✔ Designed for professional hydroponic growing systems

Ideal For

• NFT systems
• Deep Water Culture (DWC)
• Dutch bucket systems
• Drip irrigation hydroponics
• Indoor grow setups

Why Growers Choose The PlantGuy Nutrients

The PlantGuy nutrients are formulated specifically for hydroponic systems to provide balanced nutrition and consistent plant performance. Each component works together to ensure plants receive the correct nutrient ratios throughout their growth cycle.

Made for Hydroponic Growers

Whether you’re growing lettuce, herbs, tomatoes, peppers, or leafy greens, this 3-part nutrient system provides the foundation for healthy plants and high yields.

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Mixing Instructions

The PlantGuy Hydroponic 3-Part Nutrient System

To prepare a balanced hydroponic nutrient solution, mix the following amounts per 100 L (26 gallons) of water:

Mixing Steps

1️⃣ Fill your reservoir with clean water.

2️⃣ Add Magnesium Sulphate first and mix until fully dissolved.

3️⃣ Add Hydroponic Fertilizer 6-11-31 and mix thoroughly.

4️⃣ Add Calcium Nitrate last and mix until fully dissolved.

⚠️ Always dissolve nutrients one at a time.

Important

❗ Do NOT mix dry fertilizers together.
Calcium nitrate should only be added after the other nutrients are dissolved in water to prevent precipitation.

Target Nutrient Levels

Typical final nutrient solution contains approximately:

Recommended EC

Maintain nutrient solution between:

EC: 2.5 – 3.5 mS/cm

Adjust based on crop and growth stage.

pH Range

Ideal hydroponic nutrient solution:

pH 5.5 – 6.5

Solution Maintenance

• Monitor EC and pH regularly
• Replace nutrient solution every 1–2 weeks
• Adjust nutrient strength depending on plant growth stage

The PlantGuy 3-Part Nutrient Mixing Chart