I had three tiger barbs in my ten gallon one of them was trying to become alpha it seems and was attacking one of the other tiger barbs so I removed the aggressive tiger barb and put him in another tank and then the next day I come home from work and the fish that was attacked by the aggressive barb now there is weird particles on the top of the water and my PH went to 7.5 is there a lot of ammonia in the water I donāt know what to do I donāt want the levels to get ruined please help! I only have api test strips I donāt have the master kit so I canāt measure the ammonia levels. Do I need to get ammonia lock or do a water change this is a new tank so I donāt think itās been cycled fully yet.