White tips ?

[Rmckoy]

White tips , good or had ?

ive always thought white tips were a sign of growth but some seam to be a little more white than others .

 

[Rmckoy]

After closer inspection
The purple one at the back by the digi that white tip looks dead and had algae on it .
the other 2 on the rock have some colour and still have flesh .

after testing last night values are

alk 131 ppm Hanna ( 7.356 DKH )
Cal 425 salifert
Nitrates 20ppm API ( will try Hanna or salifert kit later )
Phosphorus Hanna ( 87 ppb ) 0.267 ppm ) phosphate
Temp 76.7
Salinity 1.024