1. InTheShed

    Do we need to pH adjust our nutrient solutions?

    Greetings all! I recently had a running email conversation with the "Grower Services & Product Development Director" at ProMix (aka Premier Tech). I began the conversation by posting a question on their website, asking if I should be treating ProMix HP as soil or soil-less when mixing...
  2. ZenWarrior

    pH & Alkalinity?

    What is pH? pH is a logarithmic scale which measures of the acidity or basicity of a solution. Specifically, pH is the measure of the weight of hydrogen ions (H+) within a solution. What is the pH scale? pH is measured on a scale ranging 0 — 14, with 0 being the most acidic (example...
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