Question 1

What is calibration?

Accepted Answer

It is the process of testing the pH meter before you start using, to ensure the accuracy.

Question 2

Do pH meters need to be calibrated?

Accepted Answer

Yes. The pH meters should be calibrated in the following cases. When it is used (or placed) for a long time after calibration. At frequent electrode use. When operating at high temperature.

Question 3

What is the pH level of pure water?

Accepted Answer

Pure water has a pH of 7; it is considered as neutral because, it is neither acidic nor basic.

Question 4

How to use pH meter?

Accepted Answer

Remove the protective cap. Clean the electrode with water (there appear white crystalline salt around the electrode. It is a normal phenomenon of the pH electrode. As long as the electrode is cleansed with water, it will dissolve and disappear). Turn on the switch. Insert the pH meter into the liquid (which one you want to measure the pH level for), allow the solution to be soak slightly above the immersion line. Gently stir until the displayed value is stable, and then read the displayed pH value.

Question 5

Which is the best pH meter for aquarium?

Accepted Answer

MCP Yellow pH Meter can be used for measuring pH levels in aquarium.

MCP Yellow pH Meter

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