How Is THCA Flower Tested?

If you’ve ever bought THCA flower (or even browsed for it), you’ve probably seen something called a COA—short for Certificate of Analysis. It’s that official-looking PDF showing numbers, percentages, and words like “Delta-9 THC: 0.27%” or “Total Cannabinoids: 25.6%.” For most people, it’s just a box to check before they buy. But here’s the thing: […]