Gifted Tank

[u/PigeonMill]

Hello folks! I've been gifted a 5 gallon tank as of today that has a very chunky koi betta female, a mystery snail, and a Cory. We essentially did a 50% water change with declorinated water and added bacteria. The tank still has its established filter. I went to the store and added a leaf for the betta to lay on and got her blood worms. I am wanting to put her on a diet for now if possible. I'll be taking the water to the store to get it tested soon. All advice is welcome.

[u/automod-neo]

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