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https://www.theuniplanet.com/2020/03/cascas-de-banana-sao-altamente-eficazes--a-limpar-aguas-com-metais-pesados.html 

Ora se isto pega vai a malta a andar a colocar cascas de Bananas nos aquários para retirar os materiais pesados,😃

brincadeira tem hora.

 

Saudações

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