How long does thca stay in the body?

Days to weeks. A cannabinoid, thc acid, neutralized by 220 degrees f to become psychoactive form. After smoking level goes to 200 ngm/ml ; within 2-3 hours down to less than 10. Inactive metabolites stored in body for weeks. Storage size depends on ongoing intensity of use. Several weeks of total abstinence should clear stored forms. Detection in urine depends on these variables ; sensitivity of lab equipment.