Coralline not growing

[Jaws]

Originally Posted by chin_lee

Jason
check your alk as well. I find my coraline grows rapidly anywhere around 6-9 dkh especially with the ca at that level.

Alk's usually around 10.

Originally Posted by Jack

Do you have any sea urchins in the tank?

Also, how's your phosphates?

Try dosing Kalkwasser aswell.

No sea urchins yet but will be picking one up in a month's time. Is that good or bad?

Don't have a phosphate test kit so not too sure actually. As for Kalk, i'm not sure if they sell it in town here but I would like to start using it.