hand held soil moisture meter online manufacture

PH Indicator PH 3.8-5.4 Test Indicator Paper Litmus Strips The product description 1. Standard color card 2. High quality ph paper 3. Indentation design 4. Moisture proof packaging 5. ph value: 3.8-5.4 6. Fancy ... Read More

YIERYI Digital Pen-type tester ORP-969 Pen-Type ORP Meter VOxidation Reduction Analyzer Features: Use to measure the amount of Oxidation Reduction Potential (ORP) level. The tendency of the solution to either ... Read More

20 set pH test strips 80 Strips Full PH Meter PH paper 1-14st Indicator Litmus Paper Features: 100% Brand new and high quality There is a strong correlation between the pH of the body's internal environment and ... Read More

Test Paper Water Indicator Litmus Testing For Gardening Aquarium Plant Analysis Plant Instrument ph 0-14 Function Box material: plastic Paper length: 5m / 16ft Scale Reads From 1 to 14: 0 - 3 indicates a very ... Read More

Test Paper Water Indicator Litmus Testing For Gardening Aquarium Plant Analysis Plant Instrument ph 1-14 Function Box material: plastic Paper length: 5m / 16ft Scale Reads From 1 to 14: 1 - 3 indicates a very ... Read More