NorthQuill51

archive participant · first seen Feb 6, 2026 · last active Aug 4

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Sterile Filtering Methods Necessity and Limitations for Storage

People were discussing this topic a while back. It seems with a 13mm 0.22 micron filter the volume held back before flushing comes to rough…

Sterile Filtering Methods Necessity and Limitations for Storage

Sterile Filtering Methods Necessity and Limitations for Storage

Wow this turned out much larger than anticipated. My stock wasn't sufficient for it. I'll give it a shot in the future.

Sterile Filtering Methods Necessity and Limitations for Storage

I already draw some air into the syringe first, then pull in the liquid, so there's a bubble behind it. But pushing that bubble out doesn't…

Sterile Filtering Methods Necessity and Limitations for Storage

Today was my initial attempt at filtering. There was an air bubble directly after the fluid. The solution moved through without much troubl…

User reports on supplement stacks and methods for falling and staying asleep

How did two milligrams feel?

User reports on supplement stacks and methods for falling and staying asleep

Where did that protocol come from? Most sources suggest 0.2-0.5mg or the older 5-10mg range for ten to twenty days followed by four to six …

Reconstituting Selank for Nasal Spray

Saline water. Some popular recommendations exist for products. The version I purchased requires cleaning prior to using it.

Sterile Filtering Methods Necessity and Limitations for Storage

Could you sum up the process briefly? Does it involve fitting a fresh filter onto the needle before each use and pushing the liquid through…

Sterile Filtering Methods Necessity and Limitations for Storage

You could always adjust by adding less bac water later. Still prefer to skip if it serves no purpose. What is the downside of skipping the …

Sterile Filtering Methods Necessity and Limitations for Storage

One more question. Do you pre wet a PES filter? Some suggest it but opinions differ.

Sterile Filtering Methods Necessity and Limitations for Storage

Confirmed you are right. The hold back figure is after the purge. Before it can reach two hundred fifty to three hundred microliters or twe…

Sterile Filtering Methods Necessity and Limitations for Storage

I mentioned the specific thirteen millimeter point two two micron filter. Will look around more. In any case the purge seems straightforwar…

Sterile Filtering Methods Necessity and Limitations for Storage

The source I saw claims the hold back is before the purge. Maybe that info is off. I can check further.

Sterile Filtering Methods Necessity and Limitations for Storage

For that final air push to recover the liquid left in the filter, how many actually do it? The amount held back in a thirteen millimeter po…

Sterile Filtering Methods Necessity and Limitations for Storage

The gray market powder cannot be treated as sterile. Even factory produced material is not sterile at that stage. Sterilization happens lat…

Sterile Filtering Methods Necessity and Limitations for Storage

Also catches other random particles. Everything except the endotoxins since those are too tiny.

Sterile Filtering Methods Necessity and Limitations for Storage

The video shows attaching a luer needle to the filter output but the filter lacks threads while the needle has them. Is it okay to just sli…

What’s your opinion on buying pre mixed peptides / stacks rather than getting each one separately?

Do the blends actually follow researched ratios or are they simply equal parts? Also the usual schedules for the two main compounds differ,…

Pinealon experience

Got zero effect from the other one too?