Using your kitchen scale, weigh out both of the ingredients in separate bowls.
Pour the white sugar into to pan/baking dish. Slowly stir in the tincture. The sugar should have a texture like wet sand. Spread the wet mixture into a flat layer.
Cover loosely with a kitchen towel overnight. Stir every few hours to prevent hardening.
After the tincture has evaporated, you will be left with THC bound sugar crystals. Store in a sealed jar in a cool, dry place.