It's common for one plant to get left behind at this stage - happens to all people I've seen attempt a similar set up so just do your best the keep the biggest one looking happy and just hope for the best with the smaller one! I'll be starting my DWC adventure soon and was thinking about ways to cool the system without making it recirculating, any suggestions? What kind of coolers are available? Sorry to hijack the thread, loving the set up.. Also that bluelab guardian monitor would be awesome its just so expensive! I think you can keep it submerged in the water the whole time too, you could see your ec temp and ph on the side of the bucket whenever you poke your head in the tent, sounds kinda sweet but I'd like to see some cheaper alternatives!