• VANTAKOOL Digital Meter 0.01 PH High Accuracy Water Quali, Quality Tester
    Price: $13.59

    VANTAKOOL Digital Meter 0.01 PH High Accuracy Water Quali,…

    Specifications: Model: 2017 updated Version Measuring Range: 0-14.0 pH Resolution: 0.1 pH Accuracy: ±0.1 pH(20°C ) Use Environment: RH 95%, 0-50℃(32~176℉ ) Battery: 2×1.5V LR…

  • DILISS Digital PH Meter/PH Tester/Mini Water Quality Tester for Household Drinking Water, Hydroponics, Aquariums, Swimming Pools, 0.1PH Resolution - Extra PH Calibration Solution Mixture
    Price: $11.90

    DILISS Digital PH Meter/PH Tester/Mini Water Quality Tester…

    DILISS pH Meter is a convenient instrument for testing the acidity or alkalinity of fluids. It is very easy to use - just dive the pH meter to the maximum immersion depth in the solution,…

  • Milliard Floating Pool Thermometer Rubber Duck, Large Size with String, for Outdoor/Indoor Swimming Pools, Hot Tub, Spa, Jacuzzi and Pond, Yellow
    Price: $4.99

    Milliard Floating Pool Thermometer Rubber Duck, Large Size…

    Pools are great fun during the summer, but they also need to be properly cleaned and maintained to keep them safe and sanitary all season. Regular maintenance is tedious and…

  • CityFarmer Hydroponic Nutrient pH Meter, Digital pH Meter with 2 Pack of Calibration Solution Mixture Included
    Price: $12.90

    CityFarmer Hydroponic Nutrient pH Meter, Digital pH Meter with…

    Specifications Range: 0.0 - 14.0 pH Resolution: 0.1 pH Accuracy: ±0.1 pH (68°F), ±0.2 pH Working temperature: 0 - 50°C (32 - 122°F) Powered by 3 x 1.5V button batteries Color: Yellow…

  • CityFarmer Hydroponic Nutrient TDS Meter, Water Quality Tester for Hydroponic Nutrient Level, Household Drinking Water, Pool, Aquarium Water, one year warranty.
    Price: $9.99

    CityFarmer Hydroponic Nutrient TDS Meter, Water Quality…

    Spec. Testing Range 0-9999ppm 0-99°C 32-212°F Accuracy: 2% Full Scale, ±1°C ±2°F Calibration: Factory Calibrated. Auto shut-off: 10 minutes Temperature Compensation: Automatic…

  • EHM Alkaline Water (PH Test KIT)
    Price: $6.49

    EHM Alkaline Water (PH Test KIT)

    EHM PH TEST SOLUTION pH reagent liquid suitable for testing tap and potable water. Place a few drops of the pH liquid to test your tap or drinking water pH level. Check results instantly…

  • XLUX Digital TDS Meter, Water Quality Tester, 0-9990 ppm Measurement Range, 1 ppm Resolution, 2% Readout Accuracy
    Price: $8.99

    XLUX Digital TDS Meter, Water Quality Tester, 0-9990 ppm…

    The XLUX TDS-3 Total Dissolved Solids (TDS) meter is an useful tool to instantly check your water quality, which displayed on the screen in the unit of ppm (parts per million). It is an…

  • TDS Meter, Sonkir 3-in-1 TDS/EC/Temp Meter, Digital Water Quality Tester for Drinking Water Purity Test, Swimming Pools, Aquariums, Hydroponics, Measure 0-9999ppm (Purple)
    Price: $12.99

    TDS Meter, Sonkir 3-in-1 TDS/EC/Temp Meter, Digital Water…

    Backlight Warning Function Refer to the international standard, TDS value of 40 is the critical point for the purity of water. The lower the TDS level, the purer the water. If TDS value is…

  • Milliard Floating Pool Thermometer Polar Bear, Large Size with String, for Outdoor/Indoor Swimming Pools, Hot Tub, Spa, Jacuzzi and Pond
    Price: $12.50

    Milliard Floating Pool Thermometer Polar Bear, Large Size with…

    Pools are great fun during the summer, but they also need to be properly cleaned and maintained to keep them safe and sanitary all season. Regular maintenance is tedious and…

  • Digital Salinity Salt Water Quality Meter Tester Checker Water Pool and Koi Fish Pond, Hydroponics, Gardening, Aquariums with Temperature 70ppt Water Quality Tester IP65 Waterproof Rate
    Price: $31.90

    Digital Salinity Salt Water Quality Meter Tester Checker Water…

    Dual meter is designed to measure the salt content in liquid without the need for conversions. It measures both temperature (ºC/°F) and salinity (ppt) and display simultaneously on…

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