Environmental Controls

If you ask about your grow environment, specialists at Mainely Hydro will all give you the same advice- it’s all about the environment! This page will provide medical cannabis cultivators large and small with blog posts, instructional videos and various how-to’s all concerning their personal grow environment.

Instructional Videos

Click on the links below to watch short, original videos by Mainely Hydro.


Calibrate_pHprobeHow to: Calibrate a pH Probe



CleanpHprobeHow to: Clean a pH Probe



ManagingHumidityManaging Humidity





CO2_tn-pIntroducing CO2 to Your Indoor Grow