New Cherry barbs

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CharlieFish

Aquarium Advice Newbie
Joined
May 8, 2023
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I'm new to looking after fish btw! So i got a 25gl tank and i currently have 3 cherry barbs as i was struggling with my ammonia levels. I decided to get 3 more about a week or so after the first. Throughout the night and the day after, the new 3 have died 1 by 1. I've now noticed that one of the 3 thats left in the tank is chasing the others. What should i do? What have i done wrong? I need help
 
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What are your water parameters? Adding more fish when you already have water quality issues is a really bad idea.

Barbs will chase each other. Its what they do. If you have a good size group it should spread this out so 1 fish isnt being the target all the time.
 
I'm new to looking after fish btw! So i got a 25gl tank and i currently have 3 cherry barbs as i was struggling with my ammonia levels. I decided to get 3 more about a week or so after the first. Throughout the night and the day after, the new 3 have died 1 by 1. I've now noticed that one of the 3 thats left in the tank is chasing the others. What should i do? What have i done wrong? I need help

Are you familiar with the cycling process? It sounds like you have not completed this process and adding fish during this cycling process is why the new 3 died.
You might want to read through this article and links within it to get a better handle on what's happening and what you need to do. https://www.aquariumadvice.com/guide-to-starting-a-freshwater-aquarium/

Hope this helps. (y)
 

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