ZD-06 Soil pH Tester Moisture Meter Waterproof Soil Tester for Indoor & Outdoor test Kit Tools with 295mm Long Electrode Probe 40% off                    Soil PH value plays a very important role in the growth process has grain crops, most crops in high pH soils is very difficult to survive, and therefore suitable PH value of planting the best crops vital .     Knowing the nutrient levels in your soil is to determine what you need to add to your soil to maximize the growth of your plants.                    Great for quick pH and Moisture reference in the following uses:          Commercial use      Vineyards      Orchards      Field Production      Lawn Maintenance      Home use      Gardens      Planters      Lawn Maintenance                         Features:     1.Longer and slender 295mm electrode for deep penetration into the soil     2.Durable and trouble-free life     3.Self-Powered, no battery is needed     4.Accurate and reliable     5.Waterproof metal electrode/probe     6.Fast pH & moisture measured reading     7.Measures pH and moisture value of different kinds of soil     8.Passed the strict quality and safety standards     9.Great for quick pH & moisture of Gardens Planters, Lawn 10.Maintenance, Greenhouses and Vegetable production                    Specifications:          Extra long 295mm metal electrode      Soil pH measuring range : 3 - 8 pH      Soil Moisture level : 1 - 8      Accuracy : ± 0.2 pH (suitable for agriculture field or educational experiments)      Operating temperature : 5 - 50°C (41-122°F)      Calibration : light polishing to remove oxidation from metal rings      Size : approx. 410 mm (total length)      Weight : approx. 140g                         Set Includes:     1 x Soil pH & moisture meter     1 x English Instruction manual