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Digital LCD pH Meter pH & Temperature Test Pen

Portable Auto Temp Compensation High-Accuracy Aquarium Water Quality Tester

US$ 16.13

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marco
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Digital LCD pH Meter pH and Temperature Test Pen

Posted 5 years ago
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I received the Digital LCD pH Meter pH and Temperature Test Pen , but the instructions do not tell what kind of batteries to use and how to insert them in the correct polarity Thank you

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Tomtop Official
Tomtop Rep
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Posted 5 years ago

Sorry for the inconvenience because of no these info. Could you please email us(Mail: support@tomtop.com) the problem with your order number? By email, we can send you files and help you solve the problem better and more efficient. Thanks for your support

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