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-   -   Hanna checkers (http://www.canreef.com/vbulletin/showthread.php?t=105740)

Mark 972 03-21-2014 04:57 PM

Hanna Checkers
 
Bad experience with the Hanna calcium checker! It registered 600 so we stopped dosing. After some advice from other people in the hobby, we purchased 2 other test kits - Elos and Salifert. Tested and compared and calcium results - Hanna checker was out of this world and other 2 kits matched at 420.

Drfu 03-22-2014 01:20 AM

Quote:

Originally Posted by Oscar (Post 887699)
And what about the Hanna nitrate device?

I am using Salifert nitrite test which is pretty coarse. Is the Hanna nitrate tester a reliable substitute?

Only for freshwater


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