If you liked this video, you will LOVE my book: thekingofdiy.com follow me on facebook: facebook.com/uarujoey Another method for DIY co2: www.youtube.com/watch?v=1JzvfHO31Ug I simple video on some of the basics to build a DIY co2 system for your planted aquarium. While im no plant pro, this system certainly has made a huge improvement on the tanks i use it on, VS the tanks i dont have it on. So i can say that it certainly does work.