How to Adjust The pH to Keep it in Range for Hydroponics acidity or alkalinity .
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- เผยแพร่เมื่อ 2 เม.ย. 2023
- A pH meter measures the acidity or alkalinity of a solution by measuring the concentration of hydrogen ions (H+) in the solution. The pH meter consists of a glass electrode and a reference electrode. The glass electrode contains a special glass membrane that is sensitive to this.
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