"netDenizen" wrote in message
.. .
Finally, others have explained that you should let a glass of tapwater
stand for 24 hours before testing pH, because it may change due to
outgassing etc.
=================
Ours does. It goes from 7.2 to as high as 7.6 after several hours.
--
Koi-Lo.... frugal ponding since 1995...
Aquariums since 1952
My Pond & Aquarium Pages:
http://tinyurl.com/9do58
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