Same peptides in the same syringe?

Every step helps, so don't let the desire for perfection be the enemy of the good. It's not an all or nothing proposition.

For me, Tesamorelin's "bite", which went away after filtering was a real eye opener and motivation to keep going. When it started coming back once the filtered vial "aged" 3-4 days, I started per-dose filtering.

Keeping an entire "vial" worth of peptides in a syringe for days opened up other areas of concern.

I sought out silicon free syringes, since silicon is a major cause of aggregation.

I ensure there's a small bubble in the syringe as a "spacer" to prevent the solution from prolonged contact with the plunger rubber.

There's always more to be done. I've got zero headspace lüer lock syringes with zero dead space 31g needles on the way, and sterile luer lock couplers so I don't have to back fill insulin syringes any more, and can fill directly from the 3ml syringe to a 1ml with virtually no loss, while maintaining a sterile path.

It's all too easy to think of these compounds like AAS, but they're completely different, Steroids are like bricks and peptide are microchips in terms of the complexities involved.
I am placing a large order of peptide supplies and noticed you mentioned this alternative method of filling syringes. Have you been able to try silicone free syringes and luer lock filling? I was considering backfilling my insulin syringes (inspired by your posts) and want to know if you find this new method superior.
 
Every step helps, so don't let the desire for perfection be the enemy of the good. It's not an all or nothing proposition.

For me, Tesamorelin's "bite", which went away after filtering was a real eye opener and motivation to keep going. When it started coming back once the filtered vial "aged" 3-4 days, I started per-dose filtering.

Keeping an entire "vial" worth of peptides in a syringe for days opened up other areas of concern.

I sought out silicon free syringes, since silicon is a major cause of aggregation.

I ensure there's a small bubble in the syringe as a "spacer" to prevent the solution from prolonged contact with the plunger rubber.

There's always more to be done. I've got zero headspace lüer lock syringes with zero dead space 31g needles on the way, and sterile luer lock couplers so I don't have to back fill insulin syringes any more, and can fill directly from the 3ml syringe to a 1ml with virtually no loss, while maintaining a sterile path.

It's all too easy to think of these compounds like AAS, but they're completely different, Steroids are like bricks and peptide are microchips in terms of the complexities involved.
Also want to know about luer lock front-filling. Aren't most PES filter outlets luer slip? Would they still work with a coupler like this?


It would be really convenient to have the peptide ready in a syringe with a coupler and a sterile luer lok plug. Then just coupler to another syringe and recap.

Thanks!
 
Also want to know about luer lock front-filling. Aren't most PES filter outlets luer slip? Would they still work with a coupler like this?


It would be really convenient to have the peptide ready in a syringe with a coupler and a sterile luer lok plug. Then just coupler to another syringe and recap.

Thanks!

Yes male slip will work with a female lock. I prefer lock but like you said, they're uncommon on filter outlets.
 

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