100 Pack Soil pH Test Strips Gardening Lawn Plants Water Soil Acidity Test Instrument High Precision Professional Tool

Features: Reduce Measurement Error：The soil pH test paper features a 4 colors comparison block design. This enables more precise determination of the soil's pH value range, effectively reducing measurement errors and providing more accurate results for your soil analysis

Easy Use：The use is straightforward. Mix 10 g of soil with 25 ml of water in the measuring tube, shake it well and let it stand for 30 minutes. After layers are clearly separated, immerse the test paper in the solution for 3 seconds, lay it flat for 60 seconds, and then compare it with the color comparison blocks to read the results Material: Paper Size: Test paper: 80 x 5 mm / 3.15 x 0.20 in