If you're only mildly curious and don't wish to invest much then you might consider urine test strips. Very cheap, but the reading is also very vague also. Howe

If you're only mildly curious and don't wish to invest much then you might consider urine test strips. Very cheap, but the reading is also very vague also. However, they will let you know if you have a problem or not. https://en.wikipedia.org/wiki/Urine_test_strip https://en.wikipedia.org/wiki/Urine_test_strip