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Soil Testing Kit Pack of 40 Tests for pH, N, P, K

Product Code:
ST40
£24.99 £20.82
In stock

This comprehensive soil test kit includes 40 tests for pH, nitrogen (N), phosphorus (P), and potassium (K). With 10 tests each, gardeners can evaluate soil conditions, select suitable plants, and ensure optimal nutrient absorption for robust growth.


Importance of Soil pH and Nutrient Testing


Maintaining the correct balance of pH and essential nutrients is vital for optimal plant health. Testing your soil’s pH, nitrogen, phosphorus, and potassium levels allows you to create the ideal growing environment, ensuring your plants have the right conditions to thrive. Each of these components plays a critical role in different aspects of plant growth:


pH: Testing the pH is essential to maintain the correct acidity/alkalinity levels in the soil. This ensures optimal conditions for nutrient absorption.


Nitrogen (N): A vital nutrient necessary for robust growth, especially in grass and leafy plants. The right amount of nitrogen contributes to overall plant health.


Phosphorus (P): Indispensable for strong root growth and root vegetables. It also plays a key role in the formation of healthy stems and buds.


Potassium (K): Essential for the development of shrubs and flowers. Adequate potassium levels enhance flower fragrance and colour. In vegetables, it ensures a better quality crop.


When to Test Your Soil


Testing your soil periodically is essential throughout the growing season. It is particularly recommended to test the pH, nitrogen, phosphorus, and potassium levels before spring planting and pH, phosphorus, and potassium when preparing autumn beds. If your plants show signs of poor growth, a soil test can be beneficial in diagnosing and correcting nutrient deficiencies or imbalances.


How to Conduct a Soil Test


With this kit, conducting a soil test is straightforward. Follow the detailed instructions provided to collect soil samples and perform the tests accurately. Each test is designed to provide you with clear results that can be easily compared to the colour charts on the box, giving you precise insights into your soil’s condition.


Benefits of Knowing Your Soil’s pH and Nutrient Levels


Understanding your soil’s pH and nutrient levels allows you to tailor your plant choices and soil amendments, preventing incompatibilities and promoting optimal nutrient absorption. The kit includes multiple tests, giving you ample opportunity to monitor and manage your soil conditions effectively throughout the growing season, ensuring a thriving garden.

Nitrogen (N) - This is essential for the growth of vegetation especially grass and leafy plants. The correct amount allows for healthy growth, too much and the plant's structure will be damaged.



Phosphorus (P) - This nutrient is necessary for strong root growth and root vegetables. It helps in the formation of buds and healthy stems. A lack of phosphorous will stunt the growth of a plant.



Potassium/Potash (K) - This nutrient is important in the development of flowers and shrubs. The correct potassium levels ensure that flowers become more fragrant and have improved colour. In vegetables it ensures a better quality crop and also makes plants more resistant to disease.

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For all other items, we will either charge £4.98 for standard items, £6.99 for large items and £14.99 for oversized items.
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*some additional charges can be applied for larger and heavier items to highlands and islands.