The journal

Notes from the lab.

What we learn from thousands of samples, written plainly for the people making decisions with it.

What a COA Actually Proves, and What It Does Not

A certificate is one data point from one moment in time. Here is how to read it without being misled by it.

Purity gets the attention, but our data shows quantity is where buyers lose the most value.

When a vendor knows a sample is headed to a lab, the sample stops being representative. So we buy like a normal customer.