Calcium Levels

[noon6]

About three weeks ago I changed from using IO to Reef Crystals and have now completed two partial WC in my 130D. After my first WC I checked my Ca and it was 400, now one week after my 2nd WC my Ca was at 360. I was thinking that by switching to Reef Crystals I wouldn't need to dose Ca, am I incorrect in thinking this? What should my Ca average on a normal basis? If I have to dose Ca do you have any suggestions as what to use and how to administer?

Thanks!


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[goma]

Your Calcium demand will depend how many corals and of what type you have in your tank.

 

[Tigersref]

my Alkalinity readings are more in the 7.0 range. At one point, i tried raising it to 8-9 but it was tough trying to maintain that high level. constant dosing was a PITA and expensive, and eventually i gave up. it went back down to the 7.0 range on its own and now i am ok with that.

as for Calcium, it stays pretty much at the 410 level with no dosing. I use Red Sea Coral Pro