Josiah - thanks for watching the video. Since the interview have had a lot of interest in using arduino for aquaponics from around the world. More people are becoming aware of it now as automation of aquaponic systems are the natural next step for people. The best resoure for you would be to take look at my blog that can be located: www.rik94566.wordpress.com
You will find enough information to get you started. Just email me directly if you have specific questions regarding aquaponic automation with arduino.