All ddechlorination products use a form of thio-sulfate as the main dechlorination oxidizer, and all of these oxidizers have this smell to some degree or another
It's the same smell you get when you strike match, sulfer.
When you dig into stagnant pond mud, and it bubbles it from below, hydrogen sulfide gas.
Or as you suggested, rotton eggs.
It's the same smell you get when you strike match, sulfer.
When you dig into stagnant pond mud, and it bubbles it from below, hydrogen sulfide gas.
Or as you suggested, rotton eggs.
