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Old 06-04-2019, 09:00 PM   #1
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How to lower calcium?

Is there a way to lower my calcium?

Alk- 8.7dkH
Mag - 1800ppm
Cal - 590

Iíve been testing for a two weeks and my calcium and magnesium donít go down. My alkalinity went from 10 to 8.7dkH. Should I raise my alkalinity to 10?

Is there a way to lower both calcium and magnesium?

My water changes are every two weeks 10% I use IO reef crystals.

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Old 06-05-2019, 06:48 AM   #2
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Well, your mag level basically makes sure those levels can remain in equilibrium....in a very very basic look at it.
When levels are out of whack, check what the levels of your salt mix are first. If those levels aren't close to what it says on the bucket, water changes will bring things down to where they need to be.
Dosing to get levels just right usually leads to issues and crashes.
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Old 06-05-2019, 08:43 AM   #3
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Quote:
Originally Posted by Sniperhank View Post
Well, your mag level basically makes sure those levels can remain in equilibrium....in a very very basic look at it.
When levels are out of whack, check what the levels of your salt mix are first. If those levels aren't close to what it says on the bucket, water changes will bring things down to where they need to be.
Dosing to get levels just right usually leads to issues and crashes.


Got it. Iíll be doing a water change tomorrow and I will test the new water. Thanks!
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Old 06-14-2019, 12:14 PM   #4
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What type salt are you using? Some salts like Oceanic average between 500 and 600. Other salts like Instant ocean average about 390. You could switch to a lower calcium mix.
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Old 06-14-2019, 12:19 PM   #5
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Originally Posted by melosu58 View Post
What type salt are you using? Some salts like Oceanic average between 500 and 600. Other salts like Instant ocean average about 390. You could switch to a lower calcium mix.


I have instant ocean reef crystals. My alkalinity is usually at 9-10dkH. Yesterday it was at 7.9 so I dose to raise it to 9 again.

My calcium and magnesium are always high and never go down.

Calcium is at 600ppm and magnesium at 1800ppm. I have never dose those two because they never go down.

I was thinking about switching to the regula instant ocean. What salt mix do you use?
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Old 06-14-2019, 05:01 PM   #6
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I use whatever is on sale. I don't have enough of a draw off of those three elements to ever dose anything, so water changes solves it all. I don't worry about it. Something I picked up from Mr. X a long time ago.
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