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Old 05-01-2014, 06:49 PM   #1
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Tds question

If my kh and gh are both 179, using the API liquid test kit, 10 drops each, what does that add up to in tds?

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Old 05-01-2014, 08:16 PM   #2
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Those readings are in ppm. But you can't simply add them up as there is significant overlap in them.
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