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#12
03-21-2014, 04:57 PM
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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.
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