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Start Here Guide

Water Detox 101: Filter Out the Plastic, Keep What Matters

Tap water carries thousands of microplastic and nanoplastic particles per liter, plus PFAS, lead, and chlorine byproducts. The right filter removes 99% of all of it. The wrong one removes almost nothing. This guide walks you through which is which, in order.

4in-depth guides
~55 mintotal read time
99%removal with the right filter
1 swapbiggest single change

Your water detox, in order

Start at step 1. By the end of step 2 you'll know exactly which filter to buy. Steps 3 and 4 cover the edge cases.

1
Drinking Water

How to Remove Microplastics from Drinking Water

The foundation. What's actually in your tap water, which filters remove microplastics (and which don't), and a step-by-step action plan to protect your family.

16 min read High impact
2
Nanoplastics

Can Nanoplastics Be Filtered Out of Water?

Most filters miss nanoplastics entirely. Only reverse osmosis and nanofiltration actually remove them. The latest research, plus which models work and which don't.

12 min read High impact
3
PFAS

How to Filter PFAS and Microplastics from Water

PFAS ("forever chemicals") are linked to cancer, fertility issues, and immune dysfunction. Standard carbon filters miss most of them. The certifications and filter types that work.

15 min read High impact
4
Bottled Water

How to Remove Microplastics from Bottled Water

Bottled water contains 10x to 100x more nanoplastics than tap. If you're stuck with it (travel, emergencies), here's how to reduce exposure and what to switch to instead.

13 min read Medium impact

Top 5 recommended swaps

Vetted picks from our store. Affiliate links: we earn a small commission when you buy, at no cost to you. We never accept paid placements.

Clearly Filtered Pitcher
$

Clearly Filtered Pitcher

Most affordable PFAS + microplastic filter

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Bluevua Countertop Reverse Osmosis
$$

Bluevua Countertop Reverse Osmosis

Best countertop RO, no plumbing required

View on Amazon →
Big Berkey Countertop Filter
$$

Big Berkey Countertop Filter

Best gravity-fed stainless steel filter

View on Amazon →
APEC Reverse Osmosis System
$$$

APEC Reverse Osmosis System

Best under-sink whole-family protection

View on Amazon →
Cosori Glass Electric Kettle
$

Cosori Glass Electric Kettle

Plastic-free kettle for tea and coffee

View on Amazon →

Ready to filter your water?

Browse our curated water filter picks: pitchers, countertop, and reverse osmosis systems vetted for microplastic, nanoplastic, and PFAS removal. Or take the free whole-home detox quiz for a personalized plan.

Shop Water Filters Take the whole-home quiz →

Quick answers

Common water filtration questions, with deep-dive guides for each.

Does boiling water remove microplastics?
Boiling reduces microplastics by about 80% (especially in hard water, where calcium carbonate traps them in the kettle scale), but it doesn't remove them, it concentrates them. It also doesn't address nanoplastics or PFAS. Filter first, then boil if needed.
Read the full guide →
Is reverse osmosis worth the cost?
Yes, if you care about nanoplastics and PFAS. Under-counter RO systems run $200-$400 installed and remove 99%+ of contaminants including nanoplastics, PFAS, fluoride, and lead. For microplastics alone, a certified pitcher filter ($30-$80) is sufficient.
Read the full guide →
What's the cheapest filter that removes PFAS?
Pitcher filters certified for PFAS reduction (NSF/ANSI 53 or 58) start under $50. Clearly Filtered, ZeroWater, and Epic Pure all carry the certification and remove 95%+ of common PFAS. Standard Brita and Pur filters do not remove PFAS.
Read the full guide →
Is glass-bottled water any better?
Yes, significantly. A 2024 study found bottled water contains roughly 100x more nanoplastics than tap, mostly leached from the plastic bottle itself. Glass-bottled water (Mountain Valley, Eternal) eliminates that source. Better still: filtered tap in a glass or stainless steel bottle.
Read the full guide →
Are BPA-free water bottles actually safe?
No. The replacement chemicals (BPS, BPF, BPB) have been shown in research to cause similar endocrine disruption to BPA. "BPA-free" tells you what's missing, not what's safe. Choose stainless steel or glass water bottles, which don't leach anything.
Read the full guide →
If I can only do one thing, what should I do?
Filter your drinking water. It's the highest-impact single change you can make for your health, removes the most measurable amount of plastic from your daily exposure, and the right filter pays for itself within months versus buying bottled water.
Read the full guide →

Continue your detox

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