Obviously, my most accurate measurement will come when I actually have to refill my 5lb CO2 tank. But I've messed with the injection rates so much over the past couple months that I won't have a very accurate measurement to go by. So, knowing that every tank is different, and even bubble...

Hey hows it goin'. I am new to the planted tank forum. I have been reading many of you guy's posts on Nano tanks and decided to start one of my own. I ordered a Mr Aqua 7.5 gallon cube tank. It's on the way to me now. While I am waiting I made a canister filter and matching Co2 bottle that...