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Robert92
09/21/2011, 09:42 AM
Hi i have an 120g tank and i have some problems with kh is low (6.5) and i am adding a spoon of reef builder every single day and nothing. KH rises in the next 12h and then goes back to 6.5 . My aquarium have 8 mounth, the calcium is on 420 and the Mg 1300, ph 8 please help-me here.





Thanks.

Chris Lakies
09/21/2011, 10:15 AM
Hi robert.

Do u have sps, clams, lps in ur tank?

What sounds like is happening is ur raising ur kh a little then ur critters are using it back up.

Percula9
09/21/2011, 10:40 AM
Use the reef calculator to help. You need to add more.

bertoni
09/21/2011, 09:11 PM
Many tanks require daily dosing. Using 2-3 dKH per day is fairly common. A 2-part is an easy way to get started with dosing. This article might help:

http://reefkeeping.com/issues/2007-04/rhf/index.php