Coral not happy

[Aesl1982]

Could the acans being too close be the issue with the die off of the ones on the left. The left one been there for a year the right one for 8 months. Just started losing a head a month

 

[Dkuhlmann]

No, acans are perfectly fine next to each other.

 

[Aesl1982]

So what could be the cause of the dying heads

 

[Tweaked]

So what could be the cause of the dying heads

Where to even begin.. Let's see some water params

 

[Dkuhlmann]

I agree need a full set of water parameters in order to help you