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THCA vs Delta-9 comparison graphic from Mainstream CBD with total THC formula and Dec. 11 subtitle
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THCA vs Delta-9: What's the Difference Before Dec. 11

THCA and delta-9 are related but not the same. Here's how heat converts THCA, how total THC is calculated, what December 11, 2026 changes federally, and which in-stock formats fit each side.