It means you have a test kit and found your water was average.
180 ppm is "very hard". Wonder what they'd call my 1200ppm
water or LA's 800ppm water... "liquid rock" ? I'd call
180 ppm water just slightly ther other side of "soft".


1200??? Ack! My 240 ppm GH water leaves the worst scale on my drinking
glasses and shower I've ever seen. Are you sure LA is up at 800? San
Diego and LA both have Colorado river water and my 240 ppm number is
from the water plant rather than a test kit so I know it's accurate.

Yup, that's what the LA water district report said it was when
I lived there. It picks up a lot of hardness from the concrete
pipelines. And some radiation, but it's in "acceptible limits".

I got an RO filter after I read that...

Anyway, you should be able to keep most fish in that water. It's a
little high pH for REALLY sensitive fish like rams or discus.

Doesn't seem to bother anything.

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