Download or read book LEDs The Keys To Your Growing Future written by John H Berfelo and published by John H Berfelo. This book was released on 2022-12-25 with total page 59 pages. Available in PDF, EPUB and Kindle. Book excerpt: I now have the knowledge and have learned from all the problems that my friends and I have had while growing over the years, this will save you time and money 100%. John H Berfelo This book covers a new era of cannabis cultivation with LEDs: The newest lighting technologies Maximize yield Increase potency New content and updates Vapor Pressure Deficit Understand how light affects your growing journey For more info www.johnberfelo.com