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  1. PLANT!T Plant It pH Pen Digital Meter Tester Nutrient Management Hydroponics

    Small and lightweight, it is ideal for any growroom.

    eBay

  2. Clearwater Spa Starter Kit - (UN3077 x 500g)

    The Clearwater Spa Starter Kit is an all-in-one water treatment solution for hot tubs, including chlorine granules, pH adjusters, foam remover, and test strips, ensuring clean, balanced, and safe water with easy-to-follow instructions. Ideal for new...

    Joybuy UK

  3. VIVOSUN 3-in-1 Digital pH Meter with ATC, ±0.1 pH Accuracy Water Quality Tester

    eBay

  4. pH Tester, Digital LCD TDS/EC/Temp Meter For Aquarium Hydroponic Water Monitor

    4 Display modes: Press SHIFT button: TDS - ppm & °C, EC - µs/cm & °C, TDS - ppm & °F, EC - µs/cm & °F. TDS Tester. EASY TO USE: For water quality tester, pressing "HOLD" button for maintaining reading, pressing "SHIFT" button once for TDS & EC transformations, pressing "SHIFT" button twice for "° C / ° F" transformations.

    eBay

  5. Apera Instruments PH20 pH Meter for Aquarium hydroponics swimming pools water

    Automatic temperature compensation (ATC) (in the range 0-50 ° C). (with case 190 × 165 × 40 mm). Accuracy ±0.5 °C. Resolution 0.1 °C. Automatic shutdown when not in use after 8 minutes.

    eBay

  6. Essentials pH Pen Digital Meter Tester Stick Nutrient Management Hydroponics

    The Essentials PH meter gives you a reading in 0.1 increments which provides you with a highly accurate reading to ensure you have your solution at the correct level.

    eBay

  7. PH Meter LCD Digital Electric Tester Hydroponics Aquarium Water Tester Kit UK

    Featuring an easy-to-read LCD display, it provides quick and accurate readings from 0 to 14 pH. Type: PH Tester. Accuracy: ±0.2PH; ±0.1PH (20°C). Resolution: 0.1PH. Portable Design: Lightweight and compact, ideal for lab use or fieldwork.

    eBay

  8. 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. ♥ PORTABLE DESIGN-- Handheld TDS tester pen style and makes it conveniently fits in your pocket or bag and goes anywhere.

    eBay

  9. Growth Technology pH Buffer 4 And/Or Buffer 7 pH Meter Calibration Fluid 300ml

    Growth Technology pH Buffer Solutions 4 &7.

    eBay

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