Many thanks, makes sense. I assume it wouldn't be useful if injecting co2?
Hardness readings don't make sense
- Thread starter sinibotia
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PNWaquarist
Aquarium Advice Addict
It's very possible for the KH and GH values to be different. KH measures carbonate content, while GH measures the total "hard" ions in the water, such as calcium, magnesium, sulfate, phosphate, etc.
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