Testing kits.

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Woodyman

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I like Hanna meters, but the calcium one isn't known for being super accurate. So it depends on how much you care about accuracy.

Now the phosphate and alkalinity can't be beat for accuracy and convience. I've never used the Hanna salinity probe so no thoughts on that one from me.

Regardless of what you pick, pick a test kit you will actually use consistently. A super accurate and fancy test kit doesn't do you any good if your not using it.
 

Woodyman

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I like Hanna meters, but the calcium one isn't known for being super accurate. So it depends on how much you care about accuracy.

Now the phosphate and alkalinity can't be beat for accuracy and convience. I've never used the Hanna salinity probe so no thoughts on that one from me.

Regardless of what you pick, pick a test kit you will actually use consistently. A super accurate and fancy test kit doesn't do you any good if your not using it.
If your going to pick an choose I'd say salifert or Red Sea for Calcium but stick with Hanna for other 2.

However ultimately your going to be the one that has to use them. So pick the test kit/method that you like the best.
 
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I agree with the above and can add that alk is one of those tests that is fast easy and accurate seemingly no matter what kit you use out of the top brands.
The salinity meter has a known issue where it can be low, seemingly often around .03 sg low depending on the system. I don't know how common this issue is. But Atc refractometers are the standard for sure when it comes to salinity.
 
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Ryan3313

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I use Hanna for phos and alk. Nyos for mag and red sea for cal mag and alk. The Hanna and Red sea for alk results have been pretty close so far.
 
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