Hydrogen Sulfide (H2S) Water Test

Vendor mytapscore
Hydrogen Sulfide (H2S) Water Test
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Recommended for targeted testing for hydrogen sulfide (H2S) dissolved in drinking water. Hydrogen sulfide (H2S) gas is one of the most common explanations for a rotten egg or sulfur smell in drinking water. While hydrogen sulfide does not typically present a health risk in domestic drinking supplies, it is a nuisance and can contribute to your water’s acidity—leaching potentially hazardous metals from plumbing and appliances.

This Tap Score water test package provides all required materials to properly collect and submit a sample for certified laboratory testing. Reported results will include a detailed, quantified analysis of hydrogen sulfide.

Note: Every Tap Score Essential, Advanced, and Extended test in the Well Water test collection includes an H2S self-test strip for on-site screening.



Hydrogen Sulfide (H2S) Water Test

Is this the right test for you?

What our scientists say:

“ Hydrogen sulfide–also known as H2S gas–is produced as microbes break down organic materials in the absence of oxygen. H2S gas, while typically not harmful in concentrations found in drinking water, can lead to an off-putting "sewer" or "rotten egg" odor. "


This is the right test if you:

    • Served by a private or shared well.
    • Water tastes or smells like rotten eggs.


How it works

  • Collect Sample

    1. Collect Sample

    We ship you everything you need to test your drinking water, including a guide on how to collect your sample.

  • Ship to Lab

    2. Ship to Lab

    Send your sample back to us for rigorous, certified, independent testing. The shipping’s on us!

  • Get Report

    3. Get a Report

    After our labs analyze your sample, we’ll send you a full report on what's in your water and what to do next.


    Your custom Tap Score awaits.

    After our certified labs receive and test your water sample, we will email your custom Tap Score Report, a simple digital tool that helps you understand exactly what’s in your water and what you can do about it. LEARN MORE