Reef Central Online Community - View Single Post - Why are my Ca levels stuck at around 400?

bertoni · 04/20/2013, 08:23 PM

1080 ppm is a bit low, but not that bad. I'd raise it to 1275 ppm or so, but I'm the cautious sort.

This calculator will help with doses:

http://reef.diesyst.com/chemcalc/chemcalc.html

You'll need to guess at the actual water volume in the system, so it might take a few tries to get an accurate dose. I'd target 50 ppm at a time for calcium and magnesium.

04/20/2013, 08:23 PM	#24
bertoni RC Mod Join Date: Mar 2002 Location: Mountain View, CA, USA Posts: 88,616	1080 ppm is a bit low, but not that bad. I'd raise it to 1275 ppm or so, but I'm the cautious sort. This calculator will help with doses: http://reef.diesyst.com/chemcalc/chemcalc.html You'll need to guess at the actual water volume in the system, so it might take a few tries to get an accurate dose. I'd target 50 ppm at a time for calcium and magnesium. __________________ Jonathan Bertoni