Cal Aqua

Discussion in 'Carbon Dioxide (CO2)' started by StevenA, 7 Feb 2011.

  1. StevenA

    StevenA Member

    Messages:
    513
    Location:
    Bassingbourn, Cambridgeshire.
  2. Angus

    Angus Member

    Messages:
    444
    Location:
    Vauxhall, London.
    i was confused by this product also, is it bromo or is it 4dkh? who knows! :thumbdown:
     
  3. StevenA

    StevenA Member

    Messages:
    513
    Location:
    Bassingbourn, Cambridgeshire.
  4. StevenA

    StevenA Member

    Messages:
    513
    Location:
    Bassingbourn, Cambridgeshire.
    Am I right in thinking that Bromothymol Blue is the reagent in the Nutrafin pH test 6.0-7.6?
     
  5. Angus

    Angus Member

    Messages:
    444
    Location:
    Vauxhall, London.
    thats what im using on the 2nd link, it works well :thumbsup:

    bromo blue is low range ph reagent yes, mine is from the jbl kit.
     
  6. StevenA

    StevenA Member

    Messages:
    513
    Location:
    Bassingbourn, Cambridgeshire.
    Oh great, I've got some of that, might as well order a 100ml bottle of 4dkh for the same price as the mixed smaller bottle :D How many drops of Bromo blue do you put in the drop checker with the 4dkh?
     
  7. Angus

    Angus Member

    Messages:
    444
    Location:
    Vauxhall, London.
    personally i put 3 but you can put 2 to 5, 2 being a lighter colour and 5 a more intense colour, i like it somewhere in the middle.
     
  8. nry

    nry Member

    Messages:
    1,239
    Location:
    Cumbria, UK
    I've got 3/4 bottle of 4dkh and 3/4 bottle of bromo blue in the cupboard if you're interested? A couple of years old but I've no need for it now. Drop me a PM and I'll check it is still there.
     
  9. Toulouse

    Toulouse Newly Registered

    Messages:
    20
    Location:
    Brasil
    The solution in the first post is reference solution. Not what you want. It is for the drop checkers that have 2 compartments.

    1 for your 4dKH solution and then this goes in the other one. It is to see a comparie the colour between the reference (linked in first post) and your actual reading.
     

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