SPS fading color, bleach, stn from base

[acro_lover]

Alk 7.3-7.6
Ca 400
K 390
Mg 1280
It’s still a young tank. 6 month

Just want to know
nitrates and phosphates is measurable
High nutrient system
Are they same thing?

Sps with thin skin really seems like malnutrition

hi, did you find out eventually what was the problem? I am dealing with same issue in one of my tanks. All parameters are fine but acros are fading and rtn.