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Calcium (Ca): 15
it’s a practical electrode maintenance solution that fits easily into a regular meter-care routine without adding extra complexity
and auto off function support quick checks without fuss
keeping the ingredient base straightforward
which supports more predictable moisture behavior when you’re aiming for consistent plant growth
HM Digital pH/Temp Hydro Tester special-order Calcium (Ca): 15HM Digital PH 80 pH HydroTester is a water resistant pH and temperature tester for quick spot checks in hydroponics and gardening. Its a handheld pH meter that helps you track pH changes and temperature shifts with a simple, portable tool. Built for day to day testing, the PH 80 keeps the essentials easy to read and easy to trust. The large LCD display shows results clearly, and the simultaneous temperature display keeps temperature visible alongside
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