dkh a bit low?

1sttimer

Member
Checked some parameters today and found my pH at around 8.2
And dkh at 6.7
A couple of weeks ago it was at 7.7
Will a water change bring it back up?
 
It depends on the alk of the salt your using and what % of water change as well. Consult this reef calculator http://reef.diesyst.com/flashcalc/flashcalc.html and use plain baking soda mixed with a little r/o water to raise the alk to your desired level. I would also check calc and magnesium to make sure the respective levels are in line and I suspect they probably are not.
 
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