Temperature and Humidity

Temperature and humidity are paired together as they are so closely linked. Generally, humidity in a growing context refers to Relative Humidity (RH) This article by Royal Queen Seeds covers the physical relationship between temperature and humidity and the values that are best for the plant at each stage of growth.

Ventilation

Ventilation is a very important part of having control over the temp and humidity. In other words, a fan is crucial. Blower (centrifugal fans) should be used for this type of ventilation