"RichardB" wrote in message
...
Check your tap water for nitrate levels - you may be adding nearly as much
as you are taking out!
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I got a reading of zero from the faucet. But other times I got readings as
high as 30. It varies and the test kits are so expensive these days I don't
constantly test anymore. I hear more and more grumbles how this is becoming
a hobby for the wealthy, not the average Jane and Joe like it once was.
I've already been told on one of these groups that these kits you get in the
petshops aren't accurate and to buy some other kit.... which was over $100
as I recall.
--

RM....
My Pond & Aquarium Pages:
http://tinyurl.com/9do58
Zone 6. Middle TN USA
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