Problem with My Tank - Newly Added fish dying

  • We are currently upgrading MFK. thanks! -neo
thank you for helping me out guys.
yes in morning when sun rises its first rays directly comes in my bedroom from a window and it reflects on my tank.

I feed tetrabits, Micro Pellets, Pacific Krill and Plankton, Tubifex Worms and sometimes live bloodworms.
GBR only takes krill and tubifex worms so i have to feed her differently.
while Rainbowfish eats anything you throw to them. and one more thing i would like to point out is that my female German Ram keeps on chasing my male Rainbowfish.
when i feed to Rainbowfish, she does not eat it but she chases them away.
I feed twice in a day. One in morning and One in evening before 2 hours before i switch off lights.
Looks like i've made some pretty big mistakes. thinking of redoing the whole tank with new gravel and new filter. but i am unable to do it because of current toxic stock. :(
 
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