Wasteful Pen Cartridge Experience
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Personally, I think your breather needle and your needle attached to the filter are too small. I’ve always used either a 29ga or 30ga breather needle, and use a 25ga 1-1/2 inch needle attached to my filter. Never had any issues.
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I’m probably doing it wrong but when I fill cartridges, I put the breather needle in the empty cartridge and then push the plunger up using another syringe until I can’t push it anymore. Then, without the breather needle, I add the peptide to the cartridge. The plunger allows the peptide to fill the cartridge and I have less air that I need to remove once it’s filled. Limits my risk of the plunger popping out the end.
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@judgetoo once you push the plunger up the exposed glass is no longer sterile. What you’re doing is not a safe handling technique.
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@judgetoo theres a term for that. It’s called survivor bias.
You such a smart-mouthed dawg! LOL!
Look, I'm no expert whatsoever, but a breather needle is supposed to BREATHE. If you're trying to fill within seconds of inserting the breather, you might want to give it a bit more time. Just sayin', IDK.
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I have done okay with PenDepot carts, but at this point, I just buy from PeptideCritic and I have a lot of carts and filters right now.
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I have done okay with PenDepot carts, but at this point, I just buy from PeptideCritic and I have a lot of carts and filters right now.
@ResearchCat
I just get them here (Peptide Critic) now too. Jeff gets them and makes sure they are good and work in everything, so I don’t have to do the work. Maybe I am just a little lazy and don’t want to do the work anymore… -
I've started installing the empty cartridge in the pen then filling it, that keeps the plunger from backing out in case something happens to the breather needle and makes it generally bit easier to handle.
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I've started installing the empty cartridge in the pen then filling it, that keeps the plunger from backing out in case something happens to the breather needle and makes it generally bit easier to handle.
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I've started installing the empty cartridge in the pen then filling it, that keeps the plunger from backing out in case something happens to the breather needle and makes it generally bit easier to handle.
I like that
I’ve got a couple of those reconstitution stations - they look shit hot but I never use them.
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@judgetoo once you push the plunger up the exposed glass is no longer sterile. What you’re doing is not a safe handling technique.
@judgetoo once you push the plunger up the exposed glass is no longer sterile. What you’re doing is not a safe handling technique.
I've thought this too, but how is it any different than a syringe that has the plunger all the way in to start, then you pull your injectable into it and it contacts what was exposed cylinder? Same thing...
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