MBAS Water Test

Vendor mytapscore
MBAS Water Test
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Recommended for targeted testing of surfactants as MBAS. MBAS–also called methylene blue active substances–testing can detect the presence of anionic surfactants (such as detergents or other foaming agents) in water through a color reaction process with methylene blue dye. The presence of MBAS in a water sample serves as an indicator of nearby industrial waste dumping or other related contamination (such as those from PFAS/PFOS/PFOA).

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 detailed analysis of surfactants in drinking water by MBAS assay.


MBAS Water Test

Is this the right test for you?


What our scientists say:

“ The presence of MBAS indicates nearby industrial waste dumping or related contamination. This package detects the presences of surfactants, such as foaming detergents–which can impart a bad taste and lead to foam formation. "



This is the right test if you:

    • Water tastes soapy or bitter.
    • Water foams.
    • Concerned about contamination related to human activity.
    • Looking to determine if industrial or other anthropogenic-related contamination has impacted the water supply.


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 MORER