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The Reference bank of growing systems, tips and techniques to get the most from our green hobby


The Basics

The simple basic facts about growing cannabis. It really isn't as difficult or complex as you might have read!

  • 39 topics
  • 238 replies
Advice - last post by denots

Germination and Propagation

Cuts, grafts and seeds. Learn how to successfully start the journey.

  • 18 topics
  • 201 replies
Dewey Mister - last post by Horse Badorties


The vegative phase of the cannabis lifecycle. Tips and techniques to make the most of this important stage of a plants life.

  • 6 topics
  • 39 replies
Vegging in doors for outdoo... - last post by Afton


The flowering phase, how to sex, tips on feeding and anything related to the flowering stage of the cannabis lifecyle.

  • 4 topics
  • 79 replies
14/10,. - last post by Highasyalike

Harvesting and Curing

Learn when and how to harvest your plants and how to cure the finished goodies to get the best out of all that hard work

  • 14 topics
  • 227 replies
The Importance of Matured C... - last post by Nonsense

AutoFlowering Cannabis

Tips, tricks and the lowdown on the fast developing world of Auto-flowering Cannabis Strains

  • 3 topics
  • 41 replies
flushing ya dope plants - last post by captain beefheart

Making Hash, Oils, Concentrates

How to turn your buds (and trim) into something special

  • 69 topics
  • 2,513 replies
alcohol reclaim still build... - last post by duke

Advanced Growing Techniques

Learn and share advanced techniques and experiments for growing the 'erb

  • 18 topics
  • 239 replies
jacks training technique - last post by gavin

Grow Room Design and all things DIY.

Grow room designs and builds, home made hydro systems, lights, fan silencers, . You made it? It goes in here.

  • 108 topics
  • 2,201 replies
wana be a COB nutter? need... - last post by Huktonfonics

Growing Cannabis Outdoors

A place for people to learn and share about growing outdoors. Guerrilla Growing, Back Gardens, Greenhouses, Polytunnels and Sheds.

  • 16 topics
  • 328 replies
On the Piss again...Bud Rot... - last post by Cheeseman

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Disclaimer: You must be over 18 years old to view/use this website. T-G-C.nl does not encourage growing cannabis or possessing cannabis, Learning how to grow cannabis is purely for educational purposes. All information on this website is strictly for: Historical reference, Scientific reference and educational purposes. Please check the laws in your own country as T-G-C.nl is in no way responsible for repercussions of accessing the website. All information is stored on a secure server in Amsterdam. We advise all visitors against breaking the law.