Best way to Decrease dKH

[BigH55]

Calcium is at 480 and dKH is around 12 how can I bring it down?

 

[Nanook]

Water change usually works.

 

[DARKSILENTTYPE]

Do you use a calcium reactor ?

John

 

[DrBDC]

I wouldn't worry about it being 12. IO and Reef crystals mix to that as well as many others. But if you're trying to keep it down at 9-10 it will be there in a few days of no supplements anyway unless you have no ca consumption.