[AquaticLife] Question about Nitrate Level
> For those who have an interest, I found a couple of documents talking about > reagent expiration. Steve or Lenny. Is there a way to create a test solution to test the effectiveness of a test? I have two planted aquariums which have never shown any nitrate on a API test. I would to see something other than a 0ppm response. Dana Rasmussen Seattle
Category: Philippines Internet Koi Society
