I forgot about the FloraBloom. Yes, he's using that one also. I had a big boo-boo to start with and forgot to add that one. He added it the next day when he got home. Should I flush the roots or do I only need to change the water? Sorry about the picture, they are in a "chamber" with a light in every corner and 98% reflective white-painted walls. It is hard to get a good pic without taking the plants out. I'm trying hard not to disturb them very much.