The Planted Tank Forum - View Single Post - the best test kit?
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Old 01-08-2011, 06:36 PM   #5
smackpixi
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There are, somewhere on the internet, posts and websites about calibrating your test kit. You create known acids, bases, amounts of nitrates, etc...and see how your test kit reacts to them. Then, even if it's off, you know how much it's off.
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