Moon’s new tank

So I’m moving my halfmoon betta, Moon, into a new tank. For anyone who saw my post yesterday, I got a better and bigger tank. He’ll be going from a 3.5 gallon to a 6 gallon with plans to load it up with plants. He’s currently battling an issue with his fins so if it is boredom, this should help. However, if it is fin rot, I’m wondering what the best way is to move his stuff over. He has now completed a full dose of Kanaplex. Should I move his original gravel over considering it’s probably full of beneficial bacteria? Or would I potentially be spreading the bacteria into the new tank? And is it okay to move the bio filter media into the tank as well? And do I need to use carbon at any point in the new tank? I guess I need someone to tell me how to do it with in mind that he was just treated for fin rot and also his current tank is cycled.

Transfer everything over the good bacteria is more important and he isn't likely going to become infected from existing items.

Cute corner tank!
Though I've got the same 3.5 for my male betta and it works perfect for him lol just ditched the filter it came with and use a DIY mini sponge

I'm not an expert so I hope someone with more experience chimes in, but I wouldn't transfer the gravel. The beneficial bacteria is mostly in the filter media, and it's good to have clean gravel. I would transfer the bio filter media though.

NCaquatics said:

Transfer everything over the good bacteria is more important and he isn't likely going to become infected from existing items.

Cute corner tank!
Though I've got the same 3.5 for my male betta and it works perfect for him lol just ditched the filter it came with and use a DIY mini sponge

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Thanks! I really love those 3.5 gallons. I bought three when I first started out and slowly transitioning to bigger tanks, not for any reason other than why not haha. My other betta, Neptune, is very energetic and swims and swims all day, so he’ll probably be getting an upgrade soon.

I bought the Fluval 5G for my betta and I love it.