tropical fish in old goldfish tank?
So my 2 goldfish died while I was away this summer (every time I leave my goldfish with people they end up dead for some reason, these ones had been with me for over 3 years :sad: ).
Anyways I was thinking of going tropical in my tank. The thing I was wondering about though is if I can use the same gravel and if so how should I clean it? I know goldfish have some sort of bacteria that kills many other fish so I want to have the tank properly disenfected before introducing new fish, but wasn't sure of the best way to go about doing this? Can I use bleach or will that leave traces in the water which could also harm the fish? Will I have to buy a new filter or can I just bleach or clean my old one?
Also, does anyone know any good, and not too pricey fish stores in Montreal?
Thanks for any info!
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