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For hydroponics and plantsMaster your nutrient solution No more guessing your plants, and say goodbye to plant deaths caused by inaccurate pH levels or overfertilization. This 4in1 nutrient solution pen displays pH EC temperature simultaneously on a color backlit screen, eliminating the need to switch back and forth. Precisely determine when to add pH adjusters or dilute nutrient solutions, ensuring the pH level remains within the 5.56.5 range to maximize plant absorption. Includes a pH 4.07.0 and EC 1413scm calibration kit, ready to use out of the box.GIDIGI 4in1 Water Quality TesterDesigned specifically for hydroponics. Whether using DWC, NFT, or aeroponic systems, this tester provides realtime nutrient concentration feedback, helping you precisely adjust nutrient solution ratios to ensure plants absorb nutrients at optimal ion concentrations, resulting in healthy and thriving crops such as lettuce, tomatoes, strawberries, and herbs. Measurement range pH 014, EC 019.99 mScm, TDS 09999 ppm, temperature 0.0140.0F. Builtin automatic temperature compensation ensures stable and reliable readings, making it an ideal choice for hydroponics beginners and experienced growers.For drinking water and reverse osmosis systemsUnderstand your drinking water Quickly test your tap water, reverse osmosis system, or water purifier. This 4in1 TDS pH meter displays pH TDS temperature simultaneously on a large digital screen, eliminating the need to switch between functions. The ideal pH for drinking water should be between 6.5 and 8.5, and the TDS should be below 500 ppm. Its portable design makes it easy to test various outdoor water qualities. Four AAA batteries extend its usage time, and the sidebacklit screen ensures clear visibility even in dimly lit areas under the sink.Easytouse pH meter with ATC and pH reset functionEliminates tedious operation steps simply insert the probe into the water to read pH, TDS, EC, and temperature. This pH meter features a highsensitivity probe with a resolution of 0.1, and the replaceable probe design extends the devices lifespan. Additional probes are available at GIDIGI stores. If you encounter calibration errors, simply reset the pH to the correct point.More features of the GIDIGI pH meterThe kit includes the meter, 8 AAA batteries, calibration accessories, and a user manual. Ideal for hydroponics, aquariums, drinking water, swimming pools, plant care, and home brewing. Builtin pH reset function press and hold the power button for 5 seconds and automatic temperature compensation for quick testing of various water qualities. Three parameters are displayed simultaneously without switching modes. The lightweight penstyle design makes it easy to carry to the garden, greenhouse, or poolside. MORE DETAILS asin B0H333BRS4 bestsellersrank 39,497 in Industrial Scientific See Top 100 in Industrial Scientific 32 in Lab pH Meters datefirstavailable May 27, 2026 itemweight 1.28 pounds manufacturer Jinan jixin dianzi youxiangongsi packagedimensions 9.96 x 5.79 x 2.17 inches
