calcium levels not incresing??

[Reef_kid]

its not brad his name is dell and he is having problems raising his calcium above 350ppm sorry about the 550ppm that was a miss type
he has 1000 watts over his tank so there is enough light
i know brad gemmel has no problrms with his calcium or his tank in fact but hes realy good at figuring out the nature of chemicals in the aquarium since he studies that at school!!
dell has a sohal, purple tang, blue tang
sorry about hte mix up in people !!