Project AeroGarden 2 C.K Dark Angel

So about 2 days after I added all my nutrients to the tank my Ph started to drop again and my PPM wasn't changing... so dumped the tank again, noticed the roots had turned a slight brown, added just water and 5ml of gro tec flush for 24 hours. When I dumped the tank the water looked like I had added all my nutrients to it and my roots had gone back to looking more white again. So refilled the tank but this time with only 50% of the suggested amount. Been a few days and my Ph has stabilized completely and my PPM has started to to slowly drop. Looked at this as a good learning lesson, clearly because its in just water and doesn't have anything like soil to act as a buffer, so it needs a lower PPM or it'll going into nutrients lock. Did some more defoliation on the plant a few days ago, fucking plant regenerates new leafs at a rapid rate lol. The buds on the plant are really starting to grow quick. They already look like there going to out grow the last plant I did. Swapping out the stock 50w aerogarden light for the 100w philzon looks to really be paying off this round. The only downside is the plant is now only 4 inchs from the light so if it starts to get some burning ill have to dim her down. Well that's all so happy growing everyone