Irrigation system help 20x20 uneven feeding

a buddy passed on his grow to me and I’m a little overwhelmed about everything as I’m an old school outdoor guy who usually at most grows 10 plants at a time. So this setup is powered by 1/2 hp submersible pump in each 55gal reservoir. There are a total of 7 lanes of pvc and each lane has 4 floraflex bubblers , each bubbler has 6 hoses feeding a total of 24 plants per lane with a total of around 180 plants. As we all know feeding is essential for development so here I am trying to correct his system because of uneven feeding/ pressure. What id like to do is reduce to 3 bubblers per Lane with 8 hoses attached to each.I’d also like to cap off each end with flush valve end caps and eliminate the back row of pvc that connects all 7 lanes, also eliminating 1 reservoir. I plan to use inline pumps for feeding and adding bulkhead fittings to my 55gal drums. Will it be a problem if I cap off each end of pvc and eliminate the 3rd reservoir? I drew a diagram of the whole set up. The green dots are the floraflex bubblers and the red lines are the hoses that go from the submersible pumps to the pvc. What do you think about separating the lanes so 1 reservoir powers 4 lanes and the other powers 3. Thank you rollitup fam and please relieve my anxiety lol.

I will just offer my thoughts.
The amount of water stored (# of 55g drums) will dictate how often it must be replenished.
All of the bubblers should not be utilizing the provided restrictors in order to maximize flow.
Floraflex recommends two lines from bubbler for each pot.

Maybe balance the system by;
Lines to each bubbler should be same length from the pump to ensure equal distribution from pump
Lines from bubblers to each plant should be same length.
This could be done by separating lines and adding pumps.

Are you running coco coir, promix, or soil?