Salifert PO4 Test...

Discussion in 'Reef Aquarium Discussion' started by MrObscura, Mar 13, 2019.

  1. MrObscura

    MrObscura Well-Known Member

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    Anyone use this? And if so do you have a heck of a time reading the lower end if the chart? I can't really tell the difference between 0.03 and 0.1 unless I put the vial half on the color and half on the white part of chart.



    This may be a stupid question but does that effect the reading since the instructions say to place it on the white part looking down?
     

  2. Nick tang

    Nick tang Member

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    So that is why I am thinking about to get a Hanna po4 tester.
     
  3. Scorpius

    Scorpius Valuable Member

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    Hannah ULR Phosphorus checker all day every day.
     
  4. MrObscura

    MrObscura Well-Known Member

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    I just don't want to spend 50 bucks on a new po4 test when all I'm interested in is getting it below 0.1 and finding a balance to keep it there. After that I won't even test it much.

    I dirtied up my tank to combat dinos so po4 got really high as a result, that's really the only reason I'm interested in the numbers right now.
     
  5. jda

    jda Valuable Member

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    It is hard to read. It is just a swag. If you need precise, then you have to get a Hannah... even this is kinda still just a swag where you can have 20% variance from test to test.
     
  6. MrObscura

    MrObscura Well-Known Member

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    Well, the test I just did was too hard to read between 0 and 0.03 and 0 is what started my issues to begin with so I pulled the chemipure blue and now I'll just stick to my routine and not worry too much about it.
     
  7. Skydvr

    Skydvr Well-Known Member CTARS Member

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    I was looking to see what got updated on this post, then realized I didn’t see any of my responses. Wrong forum.
     
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