I'm not going to post pics, so you may just disregard but I do have a few comments.
Every system is different. Period. Each plant has its own preferences and every system has its own idiosyncrasies. You already know that you say? Then why are you contradicting yourself by saying "Why aren't the plants as good as this different system running the same way". Whatever the differences are from UC to straight up RDWC are apparently enough to make it impossible for you to achieve the same results from doing the same things. ~Fact
Comparing what nutes your buddies run in their systems and nutes that you've run in similar systems are moot. The only thing YOU should be comparing is what nutes YOU'VE run in the UC only. If you can't get what you want, try something different. You're trying so hard to hang on to something that works in another system. ~Fact
If you are truly committed to learning your UC system then scrap what you are trying to force and get back to the basics. Walk before you run. Get some base nutes recommended by UC and nothing else. Ditch your adds and co2. If you can't get to your PERFECT version of what you feel they should look like, then you shouldn't try and add all the other stuff.
Stop spending your time trying to look at everyone else's results. They are irrelevant to your world and whatever point you're trying to prove here. I personally have had great results from mine, and could care less about other ppls failures. Not to mention, you're going to get far more pics of problems than you will of successes. Not everyone posts grow logs.. most ppl just post when they need help.
I'm sorry if it sounds like I'm busting your balls too much. I can tell by your posts that you're a smart dude but I think sometimes we are all just too close to our own projects.
ps: nice avatar :)