Re: [APD] Red Sea Phosphate Test Kit

["JOEL CLARK" <clarkattack at msn_com>]

I have no news on phosphate tests but I wanted to share that I have been quite disappointed with the Red Sea Freshwater Test lab I bought a month or so ago.  I have a hard time with the pH and the Fe tests.  The colors do not match their cards either.  I will be buying a pH probe in the near future.....

Joel
  -----Phosphate Test Kit


  I recently purchased the Red Sea Phosphate test kit.  I chose it because the 
  colors on the chart were vivid and easily differentiated.

  I was disappointed to find that the test results didn't come close to 
  matching the chart.  The colors on that ranged from bright yellow, for zero ppm, 
  through four blue greens, each obviously different from the others, to dark 
  purple.  The color that I received from the test was a pale blue that didn't match 
  anything.  I ran a second test, reducing the sample size by 50%, and I still 
  received a pale blue, although it was a little darker than the preceding test 
  result.

  A test of a second sample from a different source returned a very pale green, 
  which also didn't match anything.

  When I emailed Red Sea about this they sent a replacement test kit, but it 
  produced the same result.

  Can anyone recommend a good, reasonably priced phosphate test kit?

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