Calcium tests... who should I believe? (1 Viewer)

[gregg]

My trident says my calcium is at 339
My salifert test says it’s at 480
My Hanna test says is 540


Who should I believe?

 

[Matyas]

I would believe in ICP more. Maybe send some water to ICP and compare the results to corresponding tests using hanna, salifert, etc. Are your corals happy?

 

[mittens]

Do you test regularly for any?


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[gregg]

I would believe in ICP more. Maybe send some water to ICP and compare the results to corresponding tests using hanna, salifert, etc. Are your corals happy?

Corals seem happy, and I sent an icp out and they say 412 but the results are a couple weeks old.

 

[gregg]

Do you test regularly for any?


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I didn’t test regularly for anything but now that I have the trident I was testing to see how accurate it was.

 

[mittens]

I didn’t test regularly for anything but now that I have the trident I was testing to see how accurate it was.

I used to test daily salifert alk and alkatronic. Both spot on, with alkatronic measuring every 4-5 hrs. Idk about trident and calcium though. My daily calcium salifert was also consistent, considering it was an all softie tank with little to no consumption...


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[mittens]

Also, trident, ati ICP and ICP analysis always came back consistent with my salifert tests.


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[Cody]

For calcium, I just use API. I've crossferenced it multiple times similar to mittens and it's always +/- 10ppm so that's fine for me. I would trust the salifert over the other test kits that you use.

 

[Reefahholic]

I like my Red Sea for Calcium. Always consistent and never gives me a reading where I'm left questioning.

I know about how much my salt brands have in them, where my tank normally runs, and about where it should be from my notes. Always pretty close.