Feature: <br> <br>Convenient to use, simple to operate, solid quality. <br> <br>Could test soil pH soil fertility. <br> <br>It's lightweight and portable design, convenient for indoor and outdoor use. <br> <br>Battery is no need; easy to operate. <br> <br>Ideal soil test tool kit for flowers, vegetable, gardens, home potted plants,lawn and farm. <br> <br> <br>Using Method: <br>1. Measuring soil pH, as far as possible to probe deeply into the earth and probe the upper portion for about 1 cm. <br>2. On the table is 2.5-9 numerical, numerical 7 basic is neutral, the smaller the number shows that the greater the acidity, please adjust soil pH value according to plant varieties. <br>4. Please pay attention that insert electrodes without touching the stone, not too hard, otherwise easy to damage the electrode, clean electrode after use. <br> <br> <br> <br>Specification: <br>Material:Plastic <br>Accuracy: About ±0.25 pH(20℃)±0.2 pH (Suitable for farm or education experiments) <br>Working Temperature: About 0 - 50°C(32-122°F) <br> <br>Size: 11 x 6 x 3 cm / 4.33 x 2.36 x 1.18 inch (appr.) <br> <br>Probe Length: 22cm / 8.66 inch (appr.) <br>Soil pH for optimal growth of major crops: <br>Crop namepHCrop namepHCrop namepH <br>Rice6.0-7.0Peanut5.0-6.0Chestnut5.0-6.0 <br>Wheat6.0-7.0obacco5.0-6.0Watermelon6.0-7.0 <br>Corn6.0-7.0Tea5.0-5.5Cabbage6.0-7.0 <br>Soybean6.0-7.0Potato4.8-5.4Tomato6.0-7.0 <br>Sugarcane6.0-8.0Orange, mandarin5.0-7.0Pumpkin6.0-8.0 <br>Sweet potato6.0-6.0Lychee6.0-7.0Cucumber6.0-8.0 <br> <br> <br> <br>Package Included: <br>1 x Soil pH Level Tester <br> <br> <br> <br>Note: <br>Customers are advised to strictly follow the instructions for use, and there are instructions on the back of the package.<br>1、Convenient to use, simple to operate, solid quality. <br>2、Could test soil pH soil fertility. <br>3、It's lightweight and portable design, convenient for indoor and outdoor use. <br>4、Battery is no need; easy to operate. <br>5、Ideal soil test tool kit for flowers, vegetable, gardens, home potted plants,lawn and farm.