Usage for hash tag: Nitrates

Seems like nutrients have been creeping up pretty high. Recent Hanna tests shows #Nitrates @ 41.7 and #phosphates @ 0.90 LPS/Softies are looking good, no algae, but SPS is lacking the bright color. I've been doing daily 5g WC for the past couple of months, but I guess 10% a week isn't cutting...