Media and Bacteria affect pH Fluctuations in Hydroponics

To monitor and control erratic fluctuations in pH levels of your nutrient solution, you need to understand the chemistry of nutrients and other chemicals used in your hydroponics system. When the nutrient solution fluctuates towards high pH value, it indicates presence of surface active basic sites which act like buffer and readjust the pH of your nutrient solution to their own preset levels. While the buffers in root zone media work on the same principle on which the minerals work to control the pH of soil, they work against the nutrient solution. Substrates like Rockwool, river bed gravel show strong pH buffering effect due to their composition. So be careful when you are using these as growing media and follow simple tips to control pH levels.

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To monitor and control erratic fluctuations in pH levels of your nutrient solution, you need to understand the chemistry of nutrients and other chemicals used in your hydroponics system. When the nutrient solution fluctuates towards high pH value, it indicates presence of surface active basic sites which act like buffer and readjust the pH of your nutrient solution to their own preset levels. While the buffers in root zone media work on the same principle on which the minerals work to control the pH of soil, they work against the nutrient solution. Substrates like Rockwool, river bed gravel show strong pH buffering effect due to their composition. So be careful when you are using these as growing media and follow simple tips to control pH levels. Read more at scienceinhydroponics.com

 

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