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Hey guys, figured I'd start keeping a journal of my progress on my rack system. I have an industrial style shelving system that I got from Lowes and I put 6 40b's on it. Here's a pic of what it looked like initially. That was a few years ago, and since then we've moved and I ended up...

How can I run co2 to two aquariums. I will put a Microsoft paint sketch of where the tanks are situated. I was thinking about using a "T" splitter. But I don't know how I could monitor and adjust the amount of co2 between the tanks. I have a cheap plastic 4 way gang valve that I got at petco for...