My CO2 comes on an hour before lights come on and go off an hour before lights turn off. I never run it at night and actually have a Koralia 240 Nano power head that is mounted and aimed right at the surface that comes on when lights go off to aid in gassing off the CO2 during the night. I have 2- Maxi Jet 1200 Pro Powerheads that I use to diffuse the CO2. They are pretty strong but really don't bother the fish. Some actually enjoy the strong flow and the angels just don't get in front of the outflow, yet the use it to spawn on all the time!
This is what I use for ferts...
I use these ferts....
Estimative Index | Aquarium Fertilizer | Green Leaf Aquariums.
I also suggest 3 of these dosing bottles...
Fertilizer Dispenser | 1000 mL (32 oz) | Green Leaf Aquariums
Read this thread about dosing PPS-Pro but only read the opening post and not all the comment posts...
Newbie Guide to PPS-Pro - PPS Analysis and Feedback - Aquatic Plant Central.
There are two things I do differently than the thread is that I split my macro nutrients up using one dosing bottle for nitrates, and one dosing bottle for phosphates and potassium. This allows me for better custom dosing to the needs of my tank. I shoot for 10-20ppm of nitrate and 1-5ppm phosphates. The thread also has MgSO4, magnesium sulfate in the macro mix. If your tanks Gh is 4 or over then your tap water has enough magnesium in it that supplementing it is not needed.
Since I run my nitrates at 10ppm I rarely ever dose nitrates in my tanks. I also like phosphates from 3-5ppm so I usually double dose my phosphate/potassium solution daily. You can adjust your macro dosing to the needs of your tank which is what I like about dosing PPS-Pro.
I'm still have some rotten headaches from the inflammation on the brain but it's a lot better than it was.