If you are already 3 weeks into flowering, I would definitely not top it. You could maybe try some low stress training, but after 3 weeks of flower you're really not going to get much more stretching, they should be just about as tall as they're going to get.
Splifted Reviewed by Splifted on . my god has anybody got a tower to put my plants in My first ever grow was a great success, having grown four tremendous sour diesel plants in soil and getting a return of 8oz for my efforts :jointsmile: My second grow has become a bit more sofisticated and Ive gone for the hydroponics method putting two white widow plants in one big water garden system however the plants were on veg for 5/6 weeks. I thoughtThey were on 18/6 but the little switch on the timmer was on constant for 24/24 light for 5/6 weeks So as you can see they are quickly Rating: 5