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Peptide Critic Community

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  1. Randy the Rats Research Forum
  2. Supplies, Mixing & Storage
  3. Beginner Question on Pens
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Red, White & Blue V2 Pens
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Beginner Question on Pens

Scheduled Pinned Locked Moved Supplies, Mixing & Storage
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  • B Offline
    B Offline
    Bing72
    wrote on last edited by
    #1

    Real newb here. Trying to get into using pens over syringes. I’ve purchased two from here and one from Amazon for a comparison but while trying to replicate the test I’ve seen here, each one is 2 units short. I’m sure it’s something I am doing since all three are doing the same. Testing using the same type of syringe as the video and for 10 units it works exactly but moving to 20 or 25 it is consistently short by 2. Any suggestions?

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    • B Bing72

      Real newb here. Trying to get into using pens over syringes. I’ve purchased two from here and one from Amazon for a comparison but while trying to replicate the test I’ve seen here, each one is 2 units short. I’m sure it’s something I am doing since all three are doing the same. Testing using the same type of syringe as the video and for 10 units it works exactly but moving to 20 or 25 it is consistently short by 2. Any suggestions?

      S Offline
      S Offline
      Stevepep
      wrote on last edited by
      #2

      @Bing72 Which pen I have version 4 and its exact.

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      • B Offline
        B Offline
        Bing72
        wrote on last edited by
        #3

        I have a Xulin Pen 3 and the other two are V2s.

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        • S Offline
          S Offline
          Stevepep
          wrote on last edited by
          #4

          weird. I just ordered the Xulin and another V4 yesterday. NO idea why that would be unless the syringe is not accurate. I tested mine at 3,10,15.25 and 40, and it was spot on. Reach out to @randy Thats what I would do

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          • R Offline
            R Offline
            ResearchCat
            wrote on last edited by
            #5

            I have checked a few of my pens - nothing really formal. They’re always within 1 unit.

            One pet peeve I have with the Gansulins, and I don’t know if this is intended, random, or what, but of the three I have, one ticks, and the other two pop. I really prefer the tick, as the ones that pop seem to ‘leak’ more before and after injecting, and the one that ticks runs fast but smooth.

            IF you have no idea what the hell I am talking about, that’s okay.

            Also, my V2’s are by far the smoothest running manual pens I own, and yes I own multiple Xulins. They all work fine.

            Please set a funny and sarcastic signature line. It brings me joy. Thank you for your attention in this matter.

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            • R Offline
              R Offline
              ResearchCat
              wrote on last edited by
              #6

              @bing72 you might try priming the syringe with bac water if you haven’t. This should reduce any resistance. I find most of my syringes have some resistance when I get ready to use them so I usually pump them a time or two before loading.

              Please set a funny and sarcastic signature line. It brings me joy. Thank you for your attention in this matter.

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              • B Offline
                B Offline
                Bing72
                wrote on last edited by
                #7

                I did try priming the syringe but with the exception of using regular water and not Bac water when I am doing these tests. Just sacrificing a cartridge and syringe. I do agree with the V2 being smooth running. I will keep looking at this and will reach out to randy if I just can’t get it figured out. I do appreciate all the responses/info.

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                • RandyR Online
                  RandyR Online
                  Randy
                  wrote on last edited by
                  #8

                  the barrel of the needle holds 1-2 units so you need to prime it first, before you test accuracy.

                  "If it doesnt come in a needle. It doesn't work"

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