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  1. #1

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    Default API Freshwater Liquid Tests Expire 1 year after opened?


    0 Not allowed!
    http://www.apifishcare.co.uk/Product...?ProductID=194

    I just noticed on the UK site, for each FAQ on a liquid test, it states the expiration of an unopened bottle, as well as an opened bottle for each test.

    How long the test bottle lasts once it is opened depends on individual circumstances, but as a rule bottles should be discarded within 12 months of opening.

  2. #2

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    0 Not allowed!
    The man at my LFS said 3 years after opening, but I have no idea where he got his info from... the thing is, I really only test when something seems off or if I'm cycling a new tank, so I don't even use them up in the 3 years O_o

  3. #3

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    0 Not allowed!
    I would consider calling them out on it since I don't see how that reps statement and their previous statements about their expiry dates can both be true.

    Quote Originally Posted by dizzydezzy View Post
    The man at my LFS said 3 years after opening, but I have no idea where he got his info from...
    Me either [And it is worth wondering about] because they could be expired without you ever opening them. It goes from the date of manufacture not the date of opening.

    I cannot search on AC atm but i have posted the entire list of how long they last on several occasions, I will find it again and post it here.

    In the meantime read this reply from pat the admin at :

    It is relevant here and ALSO: For the record an API rep says that you DO touch the card when comparing results.

    [APIs replies are in Blue inside the quote.]

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    Important Information for API Freshwater Master Test Kit Users!
    « on: August 06, 2008, 1155 AM »

    While searching the internet I came across this very informative thread on another forum. I know many use the API kits so I am copying it here. For the complete thread you can visit
    http://www.fishlore.com/fishforum/te...kit-users.html

    Here is the post

    Hello all. I have gone back & forth via email with API today, and they've given me some valuable information on the API Freshwater Master Test Kits. The original topic thread on concerns that I had about the test kit results are in a previous topic:


    Basically, I was seeing nitrate test results yesterday that I found unbelievably low - zero - in an established tank.

    I was very impressed with the quick responses I got from API, and my faith is restored in their test kits. I'll paste in the information from emails with API. Note - I was finally able to get a nitrate reading of 40 ppm after following their directions:

    "Thank you very much for contacting us regarding our products. All of
    your comments and questions are valuable. We use your feedback to
    create the most effective line of aquarium and pond products available.

    Your solutions are not expired. Each reagent bottle has a Lot # printed
    on the bottle. The last four digits are the month and year of
    manufacture. Example: Lot # 28A0102. This is a pH reagent manufactured
    in January of 2002. Pond Care Wide Range pH, Ammonia, High Range pH,
    Nitrate, Phosphate, Copper, Calcium and GH all last for three years.
    Nitrite and KH will last for four years. Freshwater pH(low range) and
    Pond Care Salt Level will last for five years. I would not trust these
    kits after they have expired.

    Liquid Nitrate Test Kits from any manufacturer can have a common problem
    with their last test solution. For some companies, it is bottle number
    3, but for us it is bottle number 2. One of the ingredients wants to
    solidify out of liquid solution. If the test bottle sits for any period
    of time, this can happen. If this does happen and the test is performed
    without Bottle # 2 mixed properly, then you can get a falsely low
    reading. I have never heard of falsely high readings with Nitrate Kits.
    I would try tapping your Bottle # 2 a few times on a table or counter
    top. This should loosen-up anything that has solidified. Then I would
    shake this bottle for about 2-3 minutes, to really mix it up. Try the
    test again and hopefully this will fix your problem. With regular weekly
    usage, this bottle should only need to be shaken for 30-60 seconds.

    Always check results at the recommended duration of time. Letting the
    tubes sit longer can result in falsely high levels."


    I then asked if heating the nitrate test solution #2 would help get the material back into solution and got this reply:

    "I don't think heating is necessary, plus I don't want to degrade the
    chemicals in any way. Tapping your Bottle # 2 a few times on a table or
    counter top and then shaking should be adequate, but you will
    immediately know with the next test."


    I then asked if the proper way to match the colors was to place the test tube directly on the card, or back it up a bit, since the color can get a little darker when placed directly on the card. Since the gentleman was being so honest with me, in admitting that there could be a problem with their test solutions (or anyone elses) I thought it would be courteous to ask if I could share this information in the forums I read:

    "You do touch the test tube to the color card.

    It will be ok for you to share the Nitrtae Test Information. It is a
    problem that every manufacturer has and we are interested in the kit
    working properly for the consumer. "


    As I said, the nitrate test finally gave me an expected reading, and my faith is now restored in the test kits. And I am really impressed with any manufacturer that replies quickly, tells you that there could be a problem with their product, and tells you how to fix it!


    Pat
    Souce.

    TO reiterate:

    Each reagent bottle has a Lot # printed
    on the bottle. The last four digits are the month and year of manufacture.

    Example: Lot # 28A1012. This is a pH reagent manufactured in October of 2012.

    * Pond Care Wide Range pH, ammonia, High Range pH,
    Nitrate, phosphate, Copper, calcium and GH all last for three years.

    * Nitrite and KH will last for four years. Freshwater pH(low range) and Pond Care Salt Level will last for five years.
    &
    * You do touch the test tube to the color card to compare test results.
    Last edited by Goes to 11!; 01-31-2013 at 09:59 PM.
    Gas mileage isn't everything OIIIIIIIO
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    Why pretend there are no stupid questions? Actually, There are many stupid questions: "Should I drink this bleach?" Is just one example.
    Having said that, Just because it's a stupid question doesn't mean that it shouldn't be asked. It's better to know.

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  4. #4

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    Default


    0 Not allowed!
    Kind of odd that the apifishcare.com website does not have a FAQ on expiration of the kits, whereas the UK apifishcare.co.uk does.

    Each bottle of reagent has a Lot # printed on the bottle towards the top. The last four digits of this Lot # are the month and year of manufacture. Nitrite test reagents will last 4 years from the manufactured date.

    How long the test bottle lasts once it is opened depends on individual circumstances, but as a rule bottles should be discarded within 12 months of opening.
    Both statements don't really conflict. I have seen perishable items that do the same thing, where there is an expiration date for it not being opened, and instructions that state that the item should be kept no longer than x amount days after opened.
    Last edited by Rocksor; 01-31-2013 at 11:00 PM.

  5. #5

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    0 Not allowed!
    Although this is an old thread, I found it to be an interesting read, and the info here still is valid...thanks guys
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