Aquatopia Electronic pH Test Pen with pH Calibration Solutions. This electronic pen makes testing the pH of your aquarium water very easy!
How To Use The Electronice pH Test Pen
- Remove protective storage cap.
- Activate the unit by sliding the power switch to "ON" position.
- Immerse pH meter in tesat water up to the immersion level.
- Take pH reading.
- Rinse probe with reverse osmosis water or deionised water, gently dry with clean cloth and replace protective storage cap.
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