Check the listing for details. Jonathan Green Soil pH Test Kit, 10 Tests Per Each Kit, (Pack of 2). Condition: New. Listed at 25.42 USD. Easy do-it-yourself kit to determine what your soil will need for ideal growing conditions for a healthy lawn and garden!Key Product Features2 pH testing kits per orderEach order has 20 tests (10 tests per test kit)Easy to use kit determines soil pH in five minutesAll that is needed is a soil sample and distilled waterIncludes pH color chart and full instructionsJonathan Green carries a full line of products for help you raise or lower your soil’s pHJonathan Green’s easy to use Soil pH Test Kit determines pH levels in just five minutes. The kit includes test tube, powder and one pH range card to indicate the results. It is important to use either distilled water or rainwater when performing this test in order to get accurate pH readings. Tap water has been pH adjusted by municipal water authorities and this will affect the reading.