Help! DKH

greenhorn reefer

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I have a DKH of 5 but a calcium of 420. I only have a hammer and GSP. I am using redsea abc+. How can I raise the DKH alone? Buffer?
 
Yes. It is called bionic there are others. It comes in calcium and alkalinity. Alk is the one you want
 
Seachem Reef Fusion 1 and 2 is another two part system. Fusion 2 raises the KH
 
Reef Fusion 1&2 both have remnants of the other in them. Which makes it very hard to dose accurately.

Another good 2 part is BRS. If you use Soda Ash you don't have to worry about your calcium being affected.

Curious what is your Magnesium is at? Usually when one of the basic 3 is high, and the other is low is because Magnesium is off.
 

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