red tail catfish difficulty

  • We are currently upgrading MFK. thanks! -neo
thanks for the info guys. when i measured today one was at 3.5 inches other one was fairly small
 
I have a retail. about a year old. read this forum. a lot of great help. made a food switch and he started eating again. a week later he stopped getting excited about food. now he swims around and randomly coughs or chugs. still have not gotten it on video. any help please.
 
that was my first thought. nothing had changed over all. I started to do waterchanges twice a week because the water was getting algae blooms. but after adding new carbon the water has been fine.
 
It sounds like we are on different pages. I was referring to

ammonia in ppm
nitrite in ppm
nitrate in ppm
temp and its stability over time
pH and its stability
water hardness KH and GH and its stability / buffering capacity

1,2,3,5,6 measured by a liquid test tube kit.
 
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