I want to up grade my fish tank, but need info on cleaning. Help?

LuckyBoots

New member
I have a betta in a 5gal but I want to upgrade him into my 10gal that is being used by my mouse that is 2 and a half years of age. I'm afraid that my mouse isn't going to live much longer because she is showing signs of nearing death. :(
But when she does pass away (I'll miss her so much), I want to put my betta in there and get a few other fish that'll get along with him. So, what can I use to clean the 10gal tank that won't harm my betta and any future fish?
Thanks for the info but I need something to clean the tank BEFORE I think about adding any fish. I can't use any kind of soap since it'll leave residue. lol
I'm getting a few glofish and a pleco for the tank.
 
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