I'm not too worried about over feeding. I feed 10 small pellets every other day. (I also do frozen once a week but im not gonna have her do that). I just started reef frenzie but i'm guessing I can do without that one too just to keep nutrients down since I cant do water changes. I guess the biggest thing I was worried about was the lights and letting the algae get out of hand but I suppose that is just a matter of cleaning it up when I get home. I am starting to see quite a bit of hair algae pop up on the sand and some bigger what looks like macro algae on my GSP. I probably need to make a nice media basket for chamber 2 when I get back or maybe this weekend. The chamber 1 basket sucked cause it raised my tank display so high. Now I have it all sitting where I want it but i dont have filter floss in the mix anymore. Just a bag of Chemipure and a bag of Purigen in Chamber two right where the intake to chamber 3 is so they are acting as both chemical AND mechanical filtration at the moment. The Cheato is strill growing like crazy in chamber 1 tho. Using the API test kit Nitrates are undectible but i know that can be hidden by the algae consuming it right? So. Much. To. Learn!