Hello everyone I'm excited about this new chapter and eager to learn all I can about aquariums and fish both fresh and salt water I have a 55 gal tank that I set up for me and my daughter we set it up about 2 weeks ago and went out and pick our very first fish today I had the water tested everything was perfect (so I thought) we set the fish in the tank still in the bag for about 20 mins then let it out the bag everything was good for about an hour went to the grocery store came home and it was dead my daughter was heart broken.....
Any suggestions
Any suggestions