Yea I have a halide fixture waiting to be installed and I do dose with cal and mag for coraline growth. a buddy of mine also has on his setup a carbon and phosphate reactor didn't know if these were a necessary to get I do test for phos cal carb hardness and all the other basics and all are in great shape the tank has been up and running for about 2 yrs now and all fish were bought with keeping in mind of converting over so I think im on the right track with everything but always open to advice.