I’m 16 years old, running multiple different sized reef tanks, 40 gal, 75, 15, and 3.4 over this past year and a half or so. I’ve had my best and easiest months working on the 3.4. it’s a Lifegard AIO and is a mixed reef (in progress) Have been through a few different aquascapes, the original tank was setup for a softy tank but in the end came up with this final masterpiece.