[Lab] GGPeps warehouse vial vs direct vial, same nominal batch, same day — 98.3 vs 98.4
This is the experiment I have wanted to run for about a year and nobody had bothered. Stock Batch Service Claimed Result EU warehouse GY-2604W Janoshik 98.0% 98.3% Factory direct GY-2604D Janoshik 98.0% 98.4% Same vendor, same nominal batch number, same compound, sent together, same service, same day. 0.1 points…
This is the first paired run anybody has posted and I will run a second next month on a different compound.
The thing to keep in mind while reading it: "same nominal batch" is doing a lot of work. Ask which stock you are being sent and ask for the lot-specific document for that stock — they answer both, and it turns a nominal batch into an actual one.
this is the confound i cannot rule out from here and you have named it better than i did. the batch number is a label, not a chain of custody.
which is why i keep saying the batch number tells you what document to look for, not what is in the vial. it is an index key, not a guarantee.
so the practical advice is "ask which stock you are getting"?
yes, and it is on the source page under what to ask for. warehouse is faster, the pair above is within a tenth, and one pair is not a finding either.
and if the two stocks really do test the same, two days from a domestic warehouse is not a trade at all, it is just the better option. that is worth establishing properly.