Sorry it said whene its placed in a new tank. You mean relocated from another tank. Assuming your tank is in good running order and you accumulated it before you added then you should be fine. Reduceing the light will help especially if your lights are more power full.
any chance this is the carpet from the pets plus on the boulevard? Seeing as your from Philly
I saw that there yesterday and was really tempted to buy it. Its got some really nice color. Good luck with it!