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Every test adds a data point to the first neighborhood-level microplastic map in the US. Get your kit below and see how your neighborhood compares.
Water Test Kit
See what's in your water
Pro tip: Test your tap water vs. your filter, or test the same source twice for higher confidence in your results.
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Your Information
How It Works
We Ship Your Kit
Glass vials + prepaid mailer
Fill & Mail Back
Takes 30 seconds, free return
See Your Results
High-res images in 48hrs
Your Kit
Here's What We Send You
- 2 sterile glass vials (no plastic contamination)
- Prepaid return mailer included
- Prepaid return shipping included
Sample Result
What You'll Receive
Plastic Detected
Clean Sample
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Left: 1-year-old plastic water bottle. Right: properly filtered tap. Every bright particle is a microplastic, detected via fluorescence microscopy — visual proof you can compare your results against.
As seen on Reddit
“I've now tested tap water for microplastics in 20+ locations across West LA. Here's the contamination map.”
Common Questions
Peer-reviewed validation
Our fluorescence imaging method was independently validated by UCLA's Ozcan Research Lab — detecting microplastics down to 10μm using the same Nile Red + blue light protocol. Published in the Journal of Hazardous Materials Letters, 2022.
Read the full breakdown →Methodology draws from research by