Mephisto Double Grape on steroids. This Double Grape Auto is growing so fast. I topped on day 15 which is very early. Then, started low strength training the next day. Video shows five days of lst. See the results!! Will it get stressed? Will it be stunted? Find out and make sure to Like and Follow. Also enter the giveaway by leaving a comment on one of my latest videos. You could win $50. Im also on Youtube at Professor Autoflower.