Hi all, super excited about reef2reef so much good info and so little time lol. I've got a 75 gallon aquarium with a 20 gallon sump. Been in the hobby about 9 months, I've got some zoa's a torch some hammers a bubble coral and some mushrooms. How long have you all been in the hobby what's the one thing you know now that you wish you knew when you're still under a year in