paige_pharma said:

Order of operations matters more than any single choice here: establish a baseline, change one thing, wait long enough for it to express itself, then…

Mine went the same way, slower. Posting only so the count is not one.

Adding the numbers, since they settle part of this. Say what you would expect to see if you were wrong, before you look. It is a small discipline and it changes what you notice.

One thing that is still open after BethLabQueen’s answer:

What did you change at the same time, and can you separate the two now?

PeptideChemSF said:

Say what you would expect to see if you were wrong, before you look.

Pushing back on PeptideChemSF here. I would resist the confidence. Half of what this board was certain about two years ago has since been quietly dropped, and nobody went back to correct the threads.

Moderator note: the sourcing question belongs in the vendor section and has been split out. Report rather than reply if it drifts again.