and if you are looking into getting a better set up this might help, this would be good for a first time betta parent in my opinion esp if you're on a budget...
I have this tank and personaly love it! Great price too. The pump on the filter can be a bit annoying if its in a bedroom but mine is in a family room where we dont hear it.
I have no experience with these 2 below tanks but ive seen them around on the forum
anything under 2.5 gals could be subject to temp fluxuation that might not be safe for a betta so I recommend getting a tank that hold 2.5 gals or more. And if you go with a tank that holds 2.5 gals or more you will want to look at getting
this is a link that will bring you to a thread where ppl post their betta home to give you a better idea of what other members have for safe betta homes :)
everyones homes are different and unique both small and large! thats what I love about looking at all the different tanks and their artistic differences.
Good luck! Sorry for your loss.