First seedlings into the NFT system

I'm waiting the plants to develop roots before transfer to the NFT system but decided to do a test with one lettuce and one basil seedling as to see if it would grow faster than what was left in the nursery box. Activated only one channel of the NFT system and have these with around 500ppm, water temp is about 70F, HPS light at 50% about 3ft high. I also added two sets of green onions from the grocery store. These are hydroponic grown and had a nice amount of roots still attached.