My tank is mostly LPS/Softies, but I thought I would try a lower light SPS such as a digitata and place it higher up in the tank. All the LPS are doing well, growing and coloring up nicely, but my orange digitata has exhibited strange growth. Since putting it in, the branches have hardly grown at all and the base keeps encrusting over the rock it is on. The base is showing no signs of slowing down its encrusting of the base rock.
The tank is a 45 gallon breeder with about 15x turnover per hour and 375 watts of VHO lighting. There are no measurable organics, and a light fish bioload. Ca=400-450, Alk 8-10 dKH.
What I am thinking are the possible culprits for this different growth pattern are:
1) Not enough high intensity light
2) "low" water turnover (ok for LPS though)
3) Possible leather coral toxins (I do use carbon, change every month).
Anyone have any ideas?
The tank is a 45 gallon breeder with about 15x turnover per hour and 375 watts of VHO lighting. There are no measurable organics, and a light fish bioload. Ca=400-450, Alk 8-10 dKH.
What I am thinking are the possible culprits for this different growth pattern are:
1) Not enough high intensity light
2) "low" water turnover (ok for LPS though)
3) Possible leather coral toxins (I do use carbon, change every month).
Anyone have any ideas?