Quote Originally Posted by Tralee
Soo i shouldn't be using store water, i do put the water purifier in it. Our water is well water the has some copper in it that has killed several betta fish. I have had my betta fish two weeks with the store spring water and it is very healthy!
What I've been told to do while working at PetCo and we got a shipment in, was to strain the fish into a net over a sink, then transferring the fish to the tank

They do have water treatment, so it is safe to use tap water so long as you treat it properly first