29/05/2026
Hydrion Water Finding Test Paper (WF-130) is a specialized testing strip manufactured by Micro Essential Lab. Designed primarily to detect moisture in non-polar solvents and surfaces, it is highly effective for identifying water in gasoline tanks or checking for industrial leaks.
Key Features and Usage
How It Works: When the dry, off-white/white paper comes into contact with liquid water or moisture, it instantly reacts and turns a distinct bright lavender color.
Packaging: It typically comes as a continuous 1/2" wide by 50-foot roll housed in a protective, clear plastic dispenser that includes an integrated color chart.
How to Use ItTear: Dispense and tear off a small strip (about 1-2 inches) from the roll.Apply: Dip the strip directly into the test solution (e.g., fuel) or press it firmly against the surface you suspect has moisture.Read: If water or moisture is present, the paper will change from white to a bright lavender color within