I'm liking the tank more as time goes by. It really suits the space on the corner of my desk nicely, is not too deep but is wide with a good height. The tank was sitting, filled with dust at a lfs. I don't think they are made anymore unfortunately.
The solenoid on the Aquatek regulator stopped working, and prior to that it was fluctuating the co2 levels. Unfortunately I didn't discover this until I came home to a light yellow indicator and some lost fauna. It may also explain the bba and string algae outbreaks.
Amazon is being gracious and accepting the return of the Aquatek for a refund.
Now that I've seen them side by side, there is a noticeable difference in the quality of materials between the two. And after installing it tonight, I noticed the pressure guage on the GLA shows a jump between off and on (both still within the green), which the Aquatek never did. I'm hopeful it will function much more reliably over the long term.
Really, really happy now that I went ahead with the purchase instead of trying another less expensive model.