I had recently posted a picture of an experimental set up where I was feeding my bed water from an algae culture instead of water from my fish tank. Last week a had a 6 packs of rather sickly tomatoes. I matched two pairs for height and health as best I could, potted them and put one set in my aquaponic bed and one set on the algae bed. These are the tomatoes after 4 days. Algae plants on the right