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How to pH Test Soil


Difficulty: 2 / 5

You will need: pH Testing Kit

It is important to know the pH of your soil before you plant. Some plants prefer more acidic soil (lower pH) and some plants prefer alkaline (higher pH). Home testing kits are readily available and are easy to use.

Best time to do it:

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Step One:

Take a sample of soil from 10cm below ground level in the area you wish to plant and place it, with the indicator chemical, in the testing tube.

Step 1 of How to pH Test Soil

Step Two:

Add the required amount of de-ionised water to the tube to make a solution.

Step 2 of How to pH Test Soil

Step Three:

Seal the top of the tube and shake the contents well for several minutes. Then stand upright and allow the mixture to settle for at least 30 minutes.

Step 3 of How to pH Test Soil

Step Four:

Once the mixture has settled check the colour against the pH chart. The red end of the spectrum is acidic, green is neutral and blue to purple is alkaline.

Step 4 of How to pH Test Soil

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