High Times Presents: The U.S. Cannabis Cup


Grow Hack: 5 Facts About Dissolved Oxygen

Check out the basics about dissolved oxygen to keep your roots breathing healthy even if you're choking on a bong hit.

High Buy: The O2 Grow

The O2 Grow system uses electricity to deliver pure oxygen right into your reservoir, not just an aquarium bubbler reformatted for a hydro reservoir. This unique product uses electrolysis to oxygenate water for increased plant growth. HIGH TIMES did a side-...

Nico's Nuggets: Plants, Fresh Air & Oxygen

Our cultivation editor, Nico Escondido, is here to help you out with your grow room issues. Ask him anything!

Grow Q&A: Oxygenating Hydroponic Reservoirs

Have questions about growing cannabis? Our own cultivation expert, Danny Danko, is here to help with all of your marijuana grow concerns. Today's question is about oxygenating your hydroponic reservoir.

Insider's Grow: CO2 and O2 in Cannabis Production

Marijuana growers spend considerable time and even money delivering the right elements their crops need for growth through specialty fertilizers and supplements. Outdoor crops receive free stuff versus indoor crops -- for example the sun is free and so are oxyge...


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