How To Grow Weed
I will show you how you can make your PH go up and down for pennies. I found a way of getting more air into my hydroponics; ways to build an apparatus to enrich carbon dioxide in the surrounding atmosphere of weed plants; and how to make containers for housing your weed plants in a hydroponics situation at nearly no cost.
If you live outside the USA and Canada, get a hold of us using the contact form, and we will see what we can do to ship to you for free also.
I just realized a lot of you don't have a PDF reader. I assume you would because I have used them forever. If you want a PDF reader for the PC, you can download one here https://www.adobe.com/acrobat/pdf-reader.html