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  1. Digital PH Meter Mini TDS Tester Water Quality Analyzer for Hydroponics, Aqua

    Mini TDS Pen Design: Portable, lightweight, and compact for on-the-go water testing. Widely Used: Ideal for testing in professional and personal settings, including aquariums, hydroponics, pools, and drinking water systems.

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

    🧪💧2-in-1 Digital PH & TDS Water Tester Kit | 0.01 Accuracy | LCD Display | Aquarium, Drinking Water, Hydroponics, Pools 🌊🌿. 📱Multifunction Use : Ideal for aquariums, labs, pools, spas, drinking water, hydroponics, etc.

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

    Conductivity: 0-9990us / cm, TDS:0-9999ppm. 1/2PCS Water Testing Pen. -5 minutes automatic shutdown. Save power and extend battery life. -Accuracy: ± 2%. -Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures.

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  4. Digital Tester TDS PPM Meter Water Purity Hydroponics Water Quality Test Pen UK

    RANGE : 0-9990 ppm. Used to test the purity of the water quality of the filter. ACCURACY : +/- 2%.

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

    Wide pH Range (0.00 – 14.00) – Suitable for testingdrinking water ,tap water ,aquariums ,hydroponics ,pools ,spas, and more. Gardening & hydroponics. Aquarium care. Pool & spa maintenance. LCD Display with Backlight – Clear digital screen for easy reading, even in low light conditions.

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  6. TDS Digital Water Quality Tester TDS Meter Water Test Pen For Water Detection

    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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  7. 4 in 1 PH Meter TDS Meter Combo Digital Pool Water Tester Water Purity PPM Meter

    About This Item: .

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  8. 7 In 1 Digital Water Quality Tester Pen EC PH Salinity Temp Meter/Detector UK

    Salinity 0-20%. The specific gravity of S.G seawater is 1.000-1.222. EC value 0-200000㎲/cm. 1x 7 In 1 Tester Pen. PH value 0-14. Built-in high-sensitivity electrode head, high-sensitivity glass electrode, rust-proof platinum electrode.

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