High Times Presents: The U.S. Cannabis Cup

CO2

Nico's Nuggets: Understanding CO2 in Gardens

Many indoor growers believe that carbon dioxide (CO2) is essential to plant development and thus is directly correlated to yields achieved in gardens. To a certain extent, this is true. In fact, increasing a garden’s CO2 from ambient levels of around 300 PPM to supe...

Cultivation Clinic: CO2 Can Increase Yields 40%

With flowering plants such as marijuana, adding CO2 to a garden can greatly increase yields.

Nico's Nuggets: CO2 and Mylar

Using CO2 in an indoor garden is really taking it to the next level. The trick comes from good growroom planning at the onset of your project.

Notice

Important notice for Seattle US Cannabis Cup attendees.
A company calling itself High Times Travel LLC (hightimestravel.com) has illegally infringed on the HIGH TIMES trademark to sell travel packages for the upcoming US Cup in Seattle.

This company is not affiliated with HIGH TIMES Magazine in any way. If you have purchased a travel package from High Times Travel LLC please contact HIGH TIMES immediately by emailing us at travelcomplaint@hightimes.com