Calcium

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What would cause my Calcium levels to increase if I am not dosing for Calcium?  I am dosing for ALK and Mag - but my Calcium seems to just increase ??

Debbiem

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Reply #1

Anyone?  I haven't done a water change for a week so not due to that (unless it takes that long for the water to all mix). 

HK_Fuey

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Reply #2

No idea.  Maybe incorrect test results?  Calcium can't rise on it's own.   I know Calium and Alkalinity are linked, but it's more of an inability to rasie one higher without the other - Calcium rising without additives is an odd one.
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Debbiem

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Reply #3

so if you dose to raise AKH are you also raising calcium?

woolleson

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Reply #4

If your not dosing and haven't done a water change (or used different salt) it can only be test results. Try do 3 tests and compare. Better still another test kit. I had the same problem with a nitrate kit. I couldn't believe my no3 was so high.  It wasn't the test kit was due.

What's your calcium rasing by BTW?

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HK_Fuey

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Reply #5

It's complicated, and I don't pretend to have my head around it all, but I keep on reading and trying to.  Here's a good article:
Chemistry And The Aquarium: Solving Calcium And Alkalinity Problems — Advanced Aquarist | Aquarist Magazine and Blog
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Debbiem

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Reply #6

It's complicated, and I don't pretend to have my head around it all, but I keep on reading and trying to.  Here's a good article:
Chemistry And The Aquarium: Solving Calcium And Alkalinity Problems — Advanced Aquarist | Aquarist Magazine and Blog
Thanks Graeme - I've tried reading quite a few articles but to be honest it is too scientific for me and can't get my head around it!  Was hoping it would be as simple as one is low so just dose that but it obviously isn't quite as simple as that!  TBH I think it may have been my bucket of salt as I had a very low AKH after initial fill and then after top-up it seems high calcium - will test all future water before I add to tank but quite time consuming!

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