Semen normally smells like ammonia, bleach, or chlorine. Semen is about 1 percent sperm and 99 percent other compounds, enzymes, proteins, and minerals. Many of these substances are alkaline. This means that they're above a 7 on the pH scale, which is measured from 0 (highly acidic) to 14 (highly alkaline).

Why do I smell bleach?

It's possible that you have a tooth or gum inflammation. It is possible that your nose is picking up odors from washed materials. A type of cranial nerve hallucination called phantosmia is when you smell something that isn't there.

Can seamen bleach?

But remember, semen and bleach don't mix! If there is semen mixed with the fecal matter, bleach is a no-go. 5. Blood stains should be washed with cold water.