C02 is a great way to use some high octane fuel for your planted tank. You can use the DIY method I have shown on my favorites, You have to be careful though. Plants don't use CO2 at night. I won't suggest running co2 without an airstone. You have to be careful. The results are great, but your fish are at risk.<br />Thanks for checking out my Using CO2 in the planted tank videos. If you like what you see or hear rate this video or add a comment. Ask me questions. For more video, Live chat and custom user profiles to show off your planted tanks planted, reef or other fishtanks, check out www.fishtanktv.com