The Microplastics Crisis: So, what do you think – can your water filter get rid of invisible water pollution?

If you've been on social media recently, you might've seen stuff like this: It's in the Mariana Trench (10,000 metres down!), in the snow and ice of distant Antarctic glaciers, and even in our drinking water, table salt and beer. It's microplastics.

This silent crisis is sneaking into our lives, and the glass of water we carry with us has become our best line of defence. This urgent question has now come to the fore: Do water purifiers in our homes, which are designed to keep our drinking water clean, actually work?

So, what even are microplastics? How do they get into our water?
Microplastics are plastic fragments and particles smaller than 5 millimetres. They're tiny – about the size of sesame seeds or even micrometer-sized – and you can't see them without a microscope. They mainly come from two places:

Primary microplastics: Small particles are produced on purpose, for example in cosmetics and facial cleansers (these are being phased out), and also in industrial raw materials.

Secondary microplastics: This makes up most of the microplastics in our environment. Large plastic waste (like plastic bags, water bottles, takeout packaging) breaks down into countless tiny fragments over time in natural settings through weathering, sun exposure, and seawater erosion.

These particles get into rivers, lakes and oceans in different ways, like through rainwater, wastewater and airborne dust, and they end up in our water systems.

The Great Test for Water Purifier Technology: Who's going to stop microplastics?
Not all water purifiers are created equal. How good their filtering is depends on how precise the technology is. So, let's take a look at the main ways to purify water:

Reverse Osmosis (RO) Technology: The Absolute "Top Student"

The filter is super precise, with a 0.0001 micron (or about 0.1 nanometre) rating.

Effectiveness: This is the best solution right now. Reverse osmosis membranes have really tiny pores, way smaller than the most common microplastic particles (they're usually micrometer-sized). They catch all the microplastics and get rid of almost all the nasties – bacteria, viruses, heavy metals and scale. You end up with water that's almost pure.

So, to sum things up: RO reverse osmosis water purifiers are the best way to tackle microplastic pollution.

Here's the lowdown on ultrafiltration (UF) technology: The 'Goalkeeper' Who Could 'Miss the Net'

The filtration precision is between 0.01 and 0.1 microns.

Effectiveness: UF membranes are great at filtering out bigger microplastic particles, sediment, rust, and bacteria. But they might not catch all the microplastics, especially the really small ones.

So, to sum things up: Ultrafiltration systems can cut down on microplastic really well, but they can't guarantee that all of it will be removed.

Activated carbon filtration: Basically, it's just 'ineffective'.

Here's the filtration principle: It uses adsorption to get rid of any leftover chlorine, water discolouration, smells and organic contaminants. It doesn't trap particles physically through the pore size.

Effectiveness: Activated carbon filters don't really do much to stop solid particles like microplastics. While they can absorb some of the tiniest particles, that's not really what they're designed for, and the results can be all over the place.

So, to sum things up: Water pitchers or faucet filters relying solely on activated carbon cartridges can't effectively filter microplastics.

So, how do you go about picking a 'microplastic killer' for your home?
If you're mainly concerned about microplastic removal, here are some recommendations for you:

Make RO Reverse Osmosis Water Purifiers a priority: Keep an eye out for "Reverse Osmosis" or "RO" in the product specs. This is currently the most reliable and thorough tech.

And don't forget to pay attention to the filtration stages: A full RO system normally has a bunch of different stages, like PP cotton, pre-activated carbon, RO membrane and post-activated carbon. PP cotton catches bigger particles to protect the rest of the filters, and the RO membrane does the precise filtration.

Don't just take the word for it when it comes to marketing claims about filters: Have a look at the product's technical specs to make sure its core filter uses RO membrane technology.

It's really important to replace the filter regularly: Even the best purifier can lose effectiveness and cause secondary contamination if filters are overused. Make sure you follow the manufacturer's replacement schedules, especially for the RO membrane, which is the most expensive part.

And finally, here's the conclusion.
Microplastic pollution is a huge problem for the environment and our health. We're still looking into the long-term effects on human health, but it's definitely a good idea to reduce your exposure as much as possible.

When it comes to this invisible threat in water, water purifiers with RO reverse osmosis membranes are the best and most reliable way to treat household drinking water. They effectively remove microplastics and provide a comprehensive, secure barrier for drinking water.

Investing in a reliable reverse osmosis (RO) water purifier is about more than just better taste – it's a vital safeguard for your family's long-term health. After all, you should always take water seriously.

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