View Full Version : Calcium

01/11/2018, 06:11 PM
Good evening.
This is my first post.
I have a question regarding calcium. My calcium is running around 600, but everything else appears to be very stable. In fact, this is where my calcium consistently runs. Alk 3.6 meq/l, salinity 1.026, ph 8.2-8.3, no phosphates, .3 nitrates. All are tested with saliferts.
Should I be trying to bring down Ca, even if everything else appears to be inline?
No Ca dosing. Thanks

01/11/2018, 06:14 PM
600 is high - particularly with no dosing. What salt are you using? Are you sure your test results are accurate?

01/11/2018, 06:21 PM

600 ppm is high, if the test is correct, but should be safe enough. Personally, I would ignore the level for the time being.

The only practical way to lower the calcium level is water changes. Have you measured some freshly-mixed saltwater? Some salt mixes come with a high calcium level, and sometimes the salt will settle badly during shipment. I agree that the kit might have a problem, as well. A second opinion might be useful, if you're worried.

01/11/2018, 07:29 PM
Using reef crystals.
I will see if the LFS will test it for me.

01/11/2018, 07:43 PM
Reef Crystals shouldn't be quite that high in calcium. Let's see what the LFS says.

01/11/2018, 08:04 PM

01/12/2018, 11:16 AM
What test are you using to determine it? My Calcium test only goes to 500 :P

01/12/2018, 05:09 PM
For most test kits, you can use two syringes of the titrant, and add the results.