the best books out there are in English, hey that could be a good cause to improve your English

u can better your English while learning how to grow this herb

I think the most reliable and famous one is called "cannabis grow bible"

I will not give u no links, but use your internet knowledge and search around, I'm QUITE CERTAIN u can find the book uploaded to certain websites and available for public use without any charge
flyingimam Reviewed by flyingimam on . **help**how to grow I have many question about growroom 1.about light. what can i use the light. how many W 2.how can i cultivate the seeds into seedling 3.Why use nutrient solution. how to do 4.The indoor temperature and humidity control in the number of degrees 5.I saw a lot of people are using silver as the ventilation pipe. what's that 6.how many hours the Plant to light in a day my English is less well . Don't understand people . hope that you will be excuse me. the last i hope you can help me Rating: 5