1: Mix the soil sample with a specially formulated universal pH indicator and dust with a white barium sulphate powder.
2: The resultant colour of the powder is compared to a colour chart to find the pH of the soil.
3: In only a minute you can determine the pH of your soil to within half a pH unit. (Accurate enough for agricultural and horticultural use).
There is a choice of two kits:
The original kit, designed for agriculturalists and horticulturists, can carry out between 50 -100 tests.
It currently retails for under 30.00 AUD
The small kit, ideal for the home gardener and students, providing between 20-40 tests.
With a retail price of under 20.00 AUD it also makes an ideal gift for that gardening enthusiast in your family.