This will last 4 - 5 hours. One hour after drinking, your urine should be pure for 4 to 5 hours. CLEANSING CARBOHYDRATE DRINK MIX. There are different types of drug screening, ranging from testing urine, saliva, and now even hair drug testing.
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Screening device to detect the presence of THC in saliva. Test distinguishes 10 ng/mL of marijuana (THC). This easy-to-use kit contains a mouth swab device with a result panel, and clear instructions with test interpretations.
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