Presenting to you part II of the series in measuring and adjusting pH in Hydroponics.
( For Part I, • Guide to understanding... )
In this video, I am explaining how to use pH measuring instruments such as hand held pH meter and also using pH paper strips. pH measurement in hydroponics is very important for a grower. Whether it is a hobby hydroponic garden india or commercial hydroponics farming in india, measuring pH and EC are very critical for success.
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Using pH strips:
pH strips are used to get a very high level idea on the pH of the solution we would like to measure. It is good for a rough idea but not for cases where you need precision numbers.
pH meters are the easiest and the accurate way to measure pH of a hydroponics nutrient solution. Hand held meters are easily available and are easy to use as well.
For pH meters to remain accurate, we need to do a special procedure called Calibration. Calibration of pH meters is required periodically to ensure they are accurate and any errors in accuracy is corrected. This uses pH buffer solutions for calibration.
For calibration, we use the standard ph solutions called buffer solutions that have a known pH value. We use the buffer solutions of pH 4, 7 and 10.
Calibration methods vary with the manufacturer. I have shown in the video, the calibration procedure for pH Meter HM-80 from HM Digital.
In this video you will find answers to the following questions
1. How to use pH strips
2. How to use pH meter
3. What is calibration
4. How to calibrate the pH meter
5. What are buffer solutions
For more detailed write up on pH in Hydroponics, please visit the link below
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pH Meter: gardenguru.in/ec-and-ph-meter...
EC Meter: gardenguru.in/ec-and-ph-meter...
Hydroponic Nutrients: gardenguru.in/26-hydroponic-n...
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