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Good calcium test kit?
I have been using Salifert Ca test kit for over a year. It's very good but I'd like to try something else.
I got API but didn't like it. The accuracy is 20. The 5ml tube measurement is off. And it takes more time to drop, close cap, shake, compare color, open cap, drop, ...
Is there other kit that can read accuracy at 10? I'm looking at SeaChem and Tropic Marine. Are they ok?
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