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Re: NO3 testing

Date: Wed, 15 May 2002 07:08:20 -0500
From: Bill Warner <lww at ictech_net>
Subject: Re: NO3 testing

> Nitrate test kits do not measure nitrate directly.  The first step is to
> reduce nitrate to nitrite.  It is the nitrite that actually forms the
> color.  The 10-20 minute waiting period is to allow sufficient time for
> the nitrate in your sample to be fully reduced.

> - --Bill

So more you wait more accurate it is ?