1. Remove the test paper from the bottle and tighten the bottle cap
2. Dip the test strip onto the urine to be tested and remove excess urine
3. Wait for 60 seconds and judge the result based on the color change of the test paper
1. Remove the test paper from the bottle and tighten the bottle cap
2. Dip the test strip onto the urine to be tested and remove excess urine
3. Wait for 60 seconds and judge the result based on the color change of the test paper