My Aunt's African Cichlid Tank

[Death by Fish Tanks]

She had a few losses due to an error on my part(NO! SHE LOST THE AURATUS!)... but everyone else is doing great now! Apparently if she has some hardscaping ideas in the works!

 

[AJ356]

She had a few losses due to an error on my part(NO! SHE LOST THE AURATUS!)... but everyone else is doing great now! Apparently if she has some hardscaping ideas in the works!

What error?