Look no Further
I spent a lot of time trying to figure out how I was going to put my CO2 system together for my first planted tank. The regulator seemed to be the most difficult thing to find or put together yourself. The easier ones to find that were directed at aquarists all had a reputation of breaking or not working reliably.
GLA's regulator looks like it's composed of quality materials and it has been working perfectly. Just spend the money and don't waste your time trying to find a budget regulator. GLA responded quickly to a question I had regarding the product but... I haven't heard back from them on two other emails related to plants.
I'll keep shopping here because they have a great site and ship quickly. It would be nice to see more detail about the plants they offer as I have to search elsewhere for info on each one.