02-23-2012, 02:51 PM
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Originally Posted by Termato
Byron, my tap water is reading out at over 40ppm sometimes over 80ppm of Nitrate. I called the water department to find out their readings are between 4ppm to 6.8ppm max. The guy said it was probably in my plumbing system.
Yes. Which test kit are you using? If it is the API, are you aware that Regent #2 should be shaken for 2 minutes before adding the 8 drops? The instructions say 30 seconds, but this frequently gives a false (and much higher) result. If you weren't before, try this and see what you get.
Second, I can't see how the plumbing would affect this. Nitrate for our purposes is caused by organics. People on well water can have high nitrates due to seepage from agricultural things like farming (plants release nitrate into the soil if they have excess) and livestock. But I can't see this coming from plumbing.