I agree with the other ...

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I agree with the other comments. Also consider that elemental sulfur is entirely biotransformed by sulfur oxidizing bacteria to relatively harmless sulfate. Indeed the drinking water standard for sulfate is at least 500 ppm. Another use of elemental sulfur is to use it as the source of energy to drive biological nitrate reduction (to N2) in large bioreactors. But this idea supposes you have an issue with nitrate in your local ground- or surface waters.