02-21-2012, 11:12 AM
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I sent an email to the water supply folks, just as a sanity check for what I got from test strips at Petsmart.
They confirmed we have soft water in the 35-45 ppm range (GH).
They say the pH ranges from 7.7-8.2 ... however I get ~6.8 using the API Liquid Test (It is really hard for me to see a difference between 6.6, 6.8, and 7.0). I have driftwood, so I wouldn't be surprised at the 6.8 number due to that, but I get that from the tap also (and the Petsmart strips gave the same reading). Something's fishy here (zing!)
For KH they gave me 25-28 mg/l CaCO3 .... whatever that means?