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Field tests from the counter.

Real tests, real filters, real results. We run the at-home Water Test kit on whatever we can brew or pour — tea bags, filter pitchers, bottled water, shower heads — and publish what we find. No affiliate links. No sponsors.

News · April 17, 2026

The EPA just added microplastics to the Contaminant Candidate List. Here's what it means for your tap water.

On April 2, the EPA added microplastics to CCL 6 for the first time. HHS launched a $144M STOMP research initiative the same week. Federal agencies finally said out loud what everyone else has been saying for five years.

Guide · April 17, 2026

How to test your water for microplastics at home.

Testing water for microplastics used to mean mailing a sample to a $600 lab or buying a $2,000 microscope. A fourth option exists now. Here's exactly how the $50 at-home kit works, step by step.

City Report · April 17, 2026

Microplastics in Los Angeles tap water.

LADWP doesn't test for microplastics. Nobody does. We've been running at-home testing across LA neighborhoods since March — Echo Park, Silverlake, Highland Park, Venice, Koreatown, Pacific Palisades. Here's what shows up.

Product · April 17, 2026

The world's first at-home microplastics test kit — $50, two tests, results in minutes.

Every other microplastics test on the market is a $600 lab invoice. This is different. A microplastics test kit you run on your own table. Stain, filter, shine a blue light — plastic glows pink. Count the dots.

Research · April 17, 2026

Microplastics in baby formula: what the research says.

A 2020 Trinity College Dublin study found that preparing formula in polypropylene baby bottles releases 16.2 million microplastic particles per liter on average. Here's what's known, what isn't, and how to test your own bottle.

Research · April 17, 2026

Microplastics in breast milk: what the 2022 Ragusa study found.

Italian researchers detected microplastics in 75% of breast milk samples tested. Polyethylene, PVC, and polypropylene — the most common consumer plastics. Here's what was found, how it got there, and what you can actually do.

Filter Review · April 17, 2026

Does reverse osmosis remove microplastics?

Short answer: yes, by a huge margin. RO membrane pore size is 10,000x smaller than the smallest microplastic. The catch is whether your specific installation is actually working — which is exactly what the at-home kit verifies.

Filter Review · April 17, 2026

Does Brita remove microplastics?

The standard Brita pitcher is not certified to remove microplastics. It's certified for chlorine, taste, and some heavy metals. Here's what the pitcher actually does, and how to test your own for $50.

Filter Review · April 17, 2026

Does ZeroWater remove microplastics?

ZeroWater's 5-stage filter is better than a Brita. It's still a pitcher, not RO. Here's what the stages actually do, what ZeroWater is certified for, and how to verify yours.

Filter Review · April 17, 2026

Does Berkey remove microplastics?

Berkey claims >99.9% microplastic removal. The physics of the Black Berkey element is plausible, but testing has historically been in-house and independent verification is thin. Test yours with the kit.

Brand Test · April 17, 2026

Microplastics in Dasani water.

Dasani was one of 11 brands in the 2018 Orb Media/SUNY study that found microplastics in 93% of bottled water. The plastic isn't from the source — it's mostly from the PET bottle.

Brand Test · April 17, 2026

Microplastics in Aquafina water.

Aquafina is PepsiCo's purified-water brand, one of 11 tested in the 2018 Orb Media study that found microplastics in 93% of bottled water. Here's what's in it and how to test your own.

Brand Test · April 17, 2026

Microplastics in Fiji water: premium source, same PET bottle.

Fiji is artesian water from a protected aquifer. It's still bottled in PET. The 2018 Orb Media study found microplastics in Fiji too. Premium source doesn't fix the shedding problem.

Field Test · April 17, 2026

Microplastics in SmartWater: the bottle that sat in a car for a year.

We ran an actual test. The bottle had been in a car for a year. Hot days, cold nights, compression. The filter came back so loaded it was hard to count individual dots.

Brand Test · April 17, 2026

Microplastics in Poland Spring water.

Natural spring water from Maine, bottled in PET. The category label describes the water before bottling. The plastic shows up after. Here's the data and how to test your own.

Field Test · April 14, 2026

Do tea bags leak microplastics? I tested 3 brands.

I brewed three different tea bag brands and ran each one through the at-home Water Test kit. All three came back clearly positive — pink particles scattered across the filter under the blue light.

World's first at-home microplastics kit.