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  1. Digital Tester TDS /EC/SALT Meter Water Purity Hydroponics Water Quality Test

    Help the salt chlorinator work more efficiently in the appropriate salinity value. Check the salt concentration of saltwater pool & hot tub that use salt chlorine generator. Test pool salt level- Salt range:0-9990ppm/10-100ppt.

    eBay

  2. Digital Tester TDS Meter Water Purity Hydroponics High Quality Water Test Pen

    Before drinking a test, drinking water at ease, TDS on behalf of the total soluble solids content in the water, the lower the TDS value / the purer the water quality. PORTABLE DESIGN-- Handheld TDS tester pen style and makes it conveniently fits in your pocket or bag and goes anywhere.

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  3. LCD Pocket Digital PH Meter Tester Pen Hydroponics Swimming Food Pool Water Test

    Applied range: the production and drinking of purified water, Electroplating liquid, Boiler water, Water in fish tank, Water of swimming pools, Photograph flushing fluid, Well water, Deep phreatic water, Laboratory, Aquaculture, Food processing, etc.

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  4. Digital PH/EC/TDS/TEMP Tester Water Quality Monitor Water pH Tester + Test Paper

    Ideal use to test for water, pools, aquariums, spas, hydroponics, food, wine and beer making and more. TDS: 1-19999ppm. TDS: +/-2%. EC: 1-19999μ s/cm. PH: 0.00-14.00ph. PH 6.86point Accuracy: +/-0.1ph.

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  5. LCD Digital PH Meter Electric Tester Pen Water Hydroponics Test Kit Aquarium

    ATC Function:Automatic Temperature Compensation accounts for changes in temperature automatically. Lightweight and easy to carry. Type: PH Tester. Accuracy: ±0.2PH; ±0.1PH (20°C). the readings are automatically displayed.With 0.01pH.

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  6. Digital Electric Meter LCD Tester PH Pocket Hydroponics Aquarium Water Test Pen

    Care Your Hydroponics. Monitor Your Aquarium. Resolution: 0.01PH. Accuracy: ±0.01 PH (at 25℃). pH Buffer Power. 3×pH Buffer Powder. Compact Design. - Display screen will start flashing “6.86”;.

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  7. LCD Digital Tester Water Quality Test Pen TDS PPM Meter Water Purity Hydroponics

    Before drinking a test, drinking water at ease, TDS on behalf of the total soluble solids content in the water, the lower the TDS value / the purer the water quality. TDS water quality testing pen 1.

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  8. Digital Tester TDS EC PPM Meter Water Purity Hydroponics Water Quality Test Pen

    Press shift to switch between different modes. Each startup mode is the default mode used before shutdown. 3.5 minutes automatic shutdown. Save power and extend battery life. Accuracy: ± 2%. Temperature range: 0.1-80.0℃(32.0-176.0℉).

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