He probably just needs time to settle in and get used to clean water.
He should be fine without food for 6 days as most stores only feed once or twice a week.
Offer food before you go. Only offer a few pellets so if he doesn't eat by the time you leave, you can safely leave it in the water to give him a little more time without too much worry about fouling up the water quickly.
He should be fine without food for 6 days as most stores only feed once or twice a week.
Offer food before you go. Only offer a few pellets so if he doesn't eat by the time you leave, you can safely leave it in the water to give him a little more time without too much worry about fouling up the water quickly.