The thing is a divider is a good temporary solution but its not one that you can keep forever. At least I personally would not want a divider up full time.
Hopefully for you once you switch over to the 125 things will cool down a bit. It'll be a new tank for them both...
Hopefully for you once you switch over to the 125 things will cool down a bit. It'll be a new tank for them both...
but you could pull the bigger oscar for a few days then add him back but when you do start up your new tank put the smaller oscar in first then add the bigger one after a few days and you could also ge another one.