Yeah i cut my post a little short before lol, but i would not be to keen on leaving that angel fish unfed, simply because i have one myself that i got 4 mnths ago, i feed it every day twice a day. And I know i'm doin something right cus when i got it (only 4 months ago) its body without the fins was about the size of a quarter, now 2-day just the body of the fish is bigger than a JFK half dollar pretty close to the size of a pack of cigarettes. But yeah my point is u should definetly feed them more than once a week in the first place,so i would definetly go with the feeding block, and i would still see if ur unle could at least go to feed them at least once on the second week.