PH Pal + Digital PH Pen

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  • £67.99
  • Regular price £72.99
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The pH Pal digital pH meter contains a special probe which measures the pH of water. The end of the meter is dipped into the pond and then switched on. After a short time, the display will settle and pH of the liquid will be shown on the LCD readout. The meter can be calibrated by an inset screw at the back of the unit. The meter is straightforward to use and is accurate making it great value-for-money