todd.....I'm running a dual chamber square reactor....I had the effluent down to 6.8-6.9 with a drip rate of about 60 drops per min..with the co2 bubble rat of around 30...if u read my original post I had the effluent cranked up all the way so it overdosed the tank...but I did more reading and now I have and idea as to where to start..this system still has a few bug that I need to work out but I'm well on my way to getting an understanding on how a reactor works....thanks for any and all the info and advice.

alfred