Calcium in my 55 Gallon Reef tank

[golfersone]

How do I lower the calcium rate and dKH in a 55 gallon reef tank ? Is there a calculator to making accurate changes?Thanks for any insight.

 

[acrylic51]

What test kit are you using to measure your Ca? I would do it through water change an monitor your parameters on you makeup water to see what the levels are.