coralline changing

[nextlevelreef]

in the last two weeks ive notied my coraline getting light

water params

nitrate 0
mag 1150
cal 420
alk 6.4
sal 35ppt
temp 79

i know my mag and my alk are low could that be causing it or mabey my ATI powermodule it sits 6 inches of water level

thanks mike

[sassafrass]

Your alk is what sends an alarm to me