Managing Nutrient Solutions for Hydroponics Part 2

[@artrainbow8732]

Hello : I find your lectures very interesting and I would like to thank you for sharing your knowledge.I have a question related to how to formulate a hydroponic nutrient solution for both macro and micro-nutrients based the molecular weight.Any help on that will be appreciated.Thank you in advance.

[@mytech6779]

The link for the chart at 2:33 is no longer valid. What does the "R" mean?

[@mike7l9]

R=Reduced compatibility