Why is one my torch heads dying?

[richiero]

Why is one my torch heads dying? was doing great for the last 5 months

cal 450
mag 1350
alk 10.0
temp 77
ph 8.35- 8.43
p04 0
n03 0
salt 1.025
led lighting = 126 w 14 rb 14 cw mixed string of 6 blue,4 uv, 4 green also running bio pellets,carbon,algae scrubber,cheato in the sump

all other coral seem to be doing well. thanks for the help guys.

http://www.youtube.com/watch?v=Bu1D-QiXpbc&feature=youtu.be

http://youtu.be/ORBFvhG8PIk

 

[richiero]

bump

 

[Cdodge1]

do you use a refractometer to measure salinity?

 

[richiero]

yes it is 1.025.