Mom tent looks great. The LED should be great for maintaining moms and veg. There is still some improvement to be had with LED's for bloom, but they seem to veg very well.
Sounds like you got some good info and tips from Titan on the Flo n Gro, and I appreciate you sharing them. I had gone away from the one "night" watering about a month or so ago, and my last watering is about 1 hour prior to lights out now. Are you doing 2 as he suggested? I may have to try that.
I found this post from Mr Smith when poking around the other day, and thought it was really good and wanted to share it. Seemed timely if you're testing an airstone in your reservoir:
Need help with Ebb and Grow bucket system
There's a few good nuggets in that thread, so it's worth a good read if you haven't read that one already.
I use an extra FnG bucket/netpot to rinse hydroton. 300lbs. is a lot!! Thankfully I don't have that much, but it sure seems like it.
Keep up the great growing brotha - things are looking terrific! Sorry I haven't been around much lately - trying hard to get more caught up though.