Temp 79, NItrate 0, Ammonia 0, Ph 8.2, Trop m pro Alkalinity 7.5, API calcium Over 500. Tank is 3 months old lps, sps all doing great some growth. No loses. Im planning to dose kalkwasser in ATO. Should i start? Or just continue 10% Reef crystal water change ever 2 weeks? Alk seems low but calcium is so high? Any advice?