force flowering

Hello everyone, this week i’m planning to force flowering on my outdoor girl, she is a +_66 days flowering strain and in my country i have 14 hours of daylight right now in mid July. I will build a “house” for her with panda film and poles to completely cover her for 12 hours straight during the...

Hey Rollitup. I am familiar with all the basic details of force flowering. With that being said, I am growing in a commercial cold frame Greenhouse. 30 x 100 ft. Height is about 15 - 20 ft. I am looking for tried and tested methods to secure the Blackout tarp. I would also appreciate links...