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[APD] GH versus PPM
According to this site:
http://www.appslabs.com.au/CD97.htm
My TDS meter uses a 0.5 converion factor to translate micro-Siemens into
TDS. So my current reading of 170 TDS is actually 340 micro-Siemens.
According to this site:
http://www.fishdoc.co.uk/water/hardness.htm
I want between 100-300 mg/liter CACO3 for goldfish.
How do I translate micro-Siemens into mg/liter CACO3?
Thanks,
TW
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