Aired on: 2012.11.17
What is the correct pH for Soil and Hydroponics Cannabis growing? For that matter, what is pH in Horticulture? Today on Lex's World we figure it out. The correct pH is really determined by what nutrients are easily absorbed by the plant at every pH value. Using this as a guide, one excellent level for hydroponics is 5.5 to 6.1 and a good level for soil is 6.3 to 6.8.