Small plastic parts often found on beaches - what is this?

Can anyone ID what this is, where it comes from? It is found very often in beach sand samples from northern Taiwan:

Asking for a friend who is researching Microplastic and other plastic pollution in Taiwan:

I’m sure I’ve seen one of these before, can’t remember where though. At a guess based on the size and shape I’d say part of a cheap flow reducer for a faucet or shower, could be completely wrong though!

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Hmmmm… I think too thick (high) and too much open space for a flow reducer. Thanks for the guess, though!

Perhaps some form of faucet aerator or mixer? I’d say bring it to your nearest B&Q and find the oldest looking staff member and ask them. Failing that your nearest Shui Dian store.

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Or a fishing industry supplier?

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@olm It is used for water treatment.
I sent a tweet to Dr. Alexander Kunz to let him know.

Search for ‘K1 Media’ or ‘Bio Balls’

Made from High-Density Polyethylene (HDPE).

bio-ball_tubes_sml

https://www.gustawater.com/mbbr/k1-media.html

http://www.mbbrfiltermedia.com/sale-9511242-white-color-plastic-filter-media-virgin-hdpe-material-mbbr-bio-balls-for-ras.html

https://youtu.be/ZVRus9sy3yU?t=40

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Worth a watch!

https://youtu.be/RS7IzU2VJIQ

Thanks slawa.

This needs to be banned immediately.

This is a totally fake filtration system, probably invented you-know-where, when there are far better options that have served civilized societies for more than 5,000 years.

Rocks, sand, and charcoal, for example.

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I dug a bit who invented it and who bought them out and guess what name came up?

Veolia

Wait, I know that name!

Shittiest Water Company that scammed shitload of communes in Europe they even made a movie ‘Water Makes Money’ about them:

https://www.youtube.com/watch?v=ANsBNc3os6c

Bribed officials to privatize water treatment. Increased prices, did no maintenance. $$$ Government forced to buy back and fix broken plants, pipes because people need quality drinking water.

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On a related note, there’s a beach in France where old Garfield novelty phones from the 80’s keep washing up. It turns out they’re from a lost shipping container that got stuck in a cave that can only be accessed briefly at low tide, so they can’t get the rest of them out.

I suppose it can happen anywhere on the planet. :earth_africa: :doh:

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Awesome @slawa, thanks a lot!

Shameful stuff.

Knew I’d seen them somewhere before! Aquariums! No wonder there are so many of them flushed into the sea.

They are filtering the ocean?

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New question from the same guys. What is this?

Note: the orange/red boxes, not the plastic spoons or anything else in the photo

Bait boxes?

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Yep!

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Filthy fishermen of Taiwan .