Quote Originally Posted by Elijaher View Post
Do you have your return above or under the water?


I decided to have the water return in the water... I have my power head pointed up....

No problem with the CO2 or PH...My friend also doing the same with the return in the water and the Power heads pointing up...He have been doing that for about a year and everything look great, but he did not do More than 10X water rate.