Environment Sensors: Difference between revisions

See [[Light#Measuring_light_intensity| Measuring light intensity]]

When mixing concentrated liquid nutrients with water it's important to ensure the nutrient mix has the correct pH before applying to the cultivar so that it can make use of the nutrients. There is no shortage of digital meters to choose from, however, many cheap digital meters are inaccurate and may drift over time. A digital meter should be recalibrated every few months using a buffer solution depending on how heavy use is. The [[Growing_mediums|grow medium]] being used will determine the margin for error for the applied pH in regards to preventing [[Nutrients#Nutrient_lockout|nutrient lockout.]]