First Time DWC El Monstre & Extrema Scrog Grow

This is my first attempt at growing hydro. I am going to be trying DWC in a 20 gallon rubbermaid. I know 5 gallon buckets are probably better for DWC but this seems to be easier to maintain the proper levels until I get everything dialed in and get the hang of it. I have tried soil grows before with each ending in early termination. So I hope to succeed this go around with the help of you people. I have 2 Extrema and 2 El monstre from Sannies Seeds (great business). All 4 popped in 2-3 days I was ...