About This

• VERSATILE PH & WATER TESTER: The PUREFIZ meter is an essential tool for maintaining ideal water quality across drinking water, saltwater pools, hot tubs, aquariums, spas, hydroponics, and RO/DI systems to ensure accurate pH balance.
• THREE MODES FOR SALINITY TESTING: Switch between PPM, PPT, and % modes effortlessly, measuring pool salt levels from 0–9999 ppm, seawater from 10–200 ppt (auto-converting when exceeding 9999 ppm), and food salt content from 0.01–25%.
• WHEN & HOW TO CALIBRATE PH (POWDERS INCLUDED): Calibrate pH every 1–2 months or if readings drift by dissolving the included pH 4.00, 6.86, or 9.18 buffer powders in 250ml pure water, submerging the probe in pH mode, and holding MODE/CAL for 3–5 seconds until the reading locks in.
• PRE-CALIBRATED SALINITY & EC OUT OF THE BOX: Your tester comes factory pre-calibrated for Salinity, EC, and TDS right out of the box, requiring zero initial calibration so you can start testing immediately.
• CALIBRATING SALINITY METHOD 1 (35PPT LIQUID): To recalibrate salinity after 1–2 months of use, purchase a standard 35ppt Salinity Solution on Amazon, dip the probe in SALT mode, hold MODE/CAL for 3–5 seconds until CAL flashes, adjust to 35.0 ppt, and wait for it to stop flashing.
• CALIBRATING SALINITY METHOD 2 (1413 µS/cm EC LIQUID): Alternatively, purchase a 1413 µS/cm EC Solution on Amazon, dip the probe in EC mode, and hold MODE/CAL—the device will auto-calibrate EC, which automatically updates and aligns your salinity and TDS readings at the same time.
• PROBE CARE & ZERO SETTING MAINTENANCE: Perform zero verification by dipping the probe in pure water to confirm a 0.00 ppt reading, rinse the titanium probe with distilled water after each use, and clean off any limescale buildup using diluted citric acid to extend probe life.
• 5-IN-1 COMPLETE WATER TESTING KIT: Combines five key water quality parameters in one compact digital pen—Salinity, TDS, EC, pH, and Temperature—giving you all the data you need for complete pool and water care.