New corals and calcium depletion rate.

When I add more corals, specifically SPS, should I expect Calcium to get depleted faster?

Because right now I'm monitoring my Calcium depletion rate so I'd know how much Calcium to dose on a weekly basis. And I wanted to know if I'd have to re-monitor everything if I start adding more SPS.

 

Yes. Magnesium and alkalinity too.

 

Thanks for the quick reply!

 

Most definitely.

If you add enough, you'll be dosing 2.5+ mls per gal of 2 part daily like some of us.

 

Very true but remember every two part isn't created equal.

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I wished I was back down around 2.5mls per gallon.

Agreed, each is quite different indeed.

 

I used the "+" with you in mind.

I'll be right there with you soon. Probably already closer than you think in terms of additive volume, considering I've got a little more water than you.

 

sorry to hijack your thread but... what if you have alot of soft corals ? and some hard corals. but your calcium doesnt drop at all? with 10g water chagnes every 2 weeks?

 

The answer to that question is in your water test results

with a tank full of soft corals with very few hard corals
water changes alone has proven to maintain parameters for me
although as the tank matures, coraline starts encrusting and the hard corals you do have grown in size and possibly in number
you may eventually start seeing a gradual decline

even in a tank full of soft corals that you may never need to dose calcium or Magnesium for, due to frequent water changes with a quality salt mix with elevated levels of these , there may be demand on alkalinity ( some is used helping to maintain PH so in tanks with high CO2 levels for example, you may notice a drop in Alk even if your calcium and mag stay relatively level)

hence whatever you keep and irrespective of your maintenance routine
test kits are the best indicators of what actions are required in any given set up

Steve