How To Release New Goldfish Into The Backyard Pond Safely / Pet Gold Fish It is exciting to get new Goldfish for your backyard pond or tank, but there are a few things you can do to ensure your new friends will settle in nicely and thrive. Set up your pond at least a few days before, acclimatize your goldfish in the bag for 10 to 15 minutes, cover with a tea towel if you need sun protection, you don't want the bag to heat up. Gently cut the bag open and slowly introduce pond